View Full Version : Ibiza Cupra 20VT maxxed out at 168 BHP
Today i took my car for ECU remapping. As for start, they tweaked the boost up to 1.2 bar to see how much power can the engine handle, but the boost couldnt/cannot even reach 0.7 bar, giving only ~168 BHP. No leaks discovered, everything seems to be fine, 5.2k miles + DV006.
I'll take the car for a thorough checking on friday. We're suspicious on MAF and the magnetic boost controller. Any ideas???
Magnetic boost controller?, i've never heard of that!, got any more info on it??
I'm not sure of its proper name. It's a small device which determines(?) and controls the boost of the turbo (i am told). A small hose is running to it from the turbo, it is located under the plastic cover. It can be skipped by replacing it with a T connector (uses 3 vacuum hoses) though it's dangerous as the turbo spools up to its working limits (ca 1.5 bar).
Hmm, not sure, sounds like either n128 or n75 valve, n75 sits under the cover and enables the ecu to have a degree of control over the wastegate timing and it has 3 hose connections, is the part number 058906283# ?, if so its n75, i've never heard of anyone bypassing it though!
Yes, could be the "N75" it's got 3 hoses connected to it. Are these prone to failing?
They dont normally fail unless you start trying to adjust them, if you leave them alone they seem to be pretty reliable
OK thanks, any other idea???
Did they check the ECU for fault codes?, you chip tuners might have inadvertantly caused your car to go into 'limp' mode and somehow forced the boost past its default 3psi,
it is possible to do this cos the place that tried to convert my car to LPG did it!, they had it running 21psi even thought the ecu though it was at 3psi, you dont always get a cel for this either!
thats my guess anyway
No fault codes, no limp mode. Everything's ok. The 1.2 bar would probably be too much for the turbo so the bloke said i gotta take it back for fine tuning as the boost can go beyond 0.7 bar. My dyno plot looks similar to a chip tuned one, except for the top (from 2800-5500RPM) of it being TOTALLY flat @ 224 Nm (~0.7 bar).
I got a badly malfunctioning MAF which i will put into the car today and visit the dealer to replace it in warranty. Maybe a brandnew MAF would help (at least i hope).
I may be talking crap here, but I'm 100% sure that a Greek magazine (Drive) had taken the Ibiza Cupra on the dyno and it produced 168bhp without any tuning at all....
see specs in my signature...
I've put the totally faulty MAF into my car (which i got from a mechanic friend of mine) and visited my dealer. They've already ordered a new one, it should arrive by the next week.
Sadly this MAF is so bad that the engine cannot run with it, stalls immediately. I'm using the car with disconnected MAF now, and it flies. No 200 BHP for sure, but faster than stock. I hope a new MAF will unleash the power in my new chip.
I'm still waiting for further ideas.
Out of interest, what chip is it?
It does sound like the ECu is going into limp mode, but that would give you a constant 5-6psi (0.4bar?).
Hope you get it sorted.
Ben
It's a local tuning shop, was kinda respected but more and more complaints heard about them. I'm also getting more and more suspicious about the software not asking for more boost than that 0.7 bar. My torque curve is flat like it would have been ironed @ 224 Nm.
Will get a 1552 hooked up this weekend for checking requested and delivered boost, if nearly equal then it's the software which should be blamed!
Anyone knows where to read the boost things out from? (data block#)
ibizacupra
27-06-2002, 23:26
Originally posted by Sim
It's a local tuning shop, was kinda respected but more and more complaints heard about them. I'm also getting more and more suspicious about the software not asking for more boost than that 0.7 bar. My torque curve is flat like it would have been ironed @ 224 Nm.
Will get a 1552 hooked up this weekend for checking requested and delivered boost, if nearly equal then it's the software which should be blamed!
Anyone knows where to read the boost things out from? (data block#)
Data Block #115
1= Engine Speed (rpm)
2= Engine throttle/load (15...175%)
3= Charge Pressure, Specified Value (990...2200mBar)
4= Charge Pressure, Actual Value (max. 2200mBar)
:)
regards
Bill
:jog:
Bill - we were looking at this on Petes last night.
How do you convert drom millibar to bar?
We assumed x1000 but this meant that on tickover we were seeing 1010mbar = 1bar!
reving it with no load it was peaking at 1600millibar = 1.6bar!
I assume we got this wrong..
Thanks for the info Bill!
As far as i know 1000 millibar (atmospheric pressure) on the ECU means 0 bar in turbo boost. Less than 1000 millibar is negative boost, and lets say 2000 millibar (1000 + 1000) is 1 bar of turbo boost. Am i correct?
i had exactly the same prob, and mine was the maf sensor, got it replaced, no probs since
ibizacupra
28-06-2002, 14:52
Originally posted by Sim
Thanks for the info Bill!
As far as i know 1000 millibar (atmospheric pressure) on the ECU means 0 bar in turbo boost. Less than 1000 millibar is negative boost, and lets say 2000 millibar (1000 + 1000) is 1 bar of turbo boost. Am i correct?
It is absolute pressure so 1000mBar is indeed the atmospheric pressure of the day and weather in your area. Highe pressure 1010mBar, Low pressure 990mBar.. eg good weather bad weather.
To convert mBar to bar, divide by 1000, and to get psi multiply the bar figure by 14.5 (14.5 psi per bar)
regards
Bill
Originally posted by c2pra
i had exactly the same prob, and mine was the maf sensor, got it replaced, no probs since
Your car wasn't responding to chipping either? Mine doesn't really seem to (up until 0.7 bar exactly). Though with stock boost the suspicious MAF was working fine.
when my car was runnin standard the only difference was the fuel consumption was terrible. and nomatter how the map was set up it wouldnt go over 165bhp. sometimes that was with the bosst hitting 1.5 bar
Originally posted by c2pra
when my car was runnin standard the only difference was the fuel consumption was terrible. and nomatter how the map was set up it wouldnt go over 165bhp. sometimes that was with the bosst hitting 1.5 bar
My map is set to 1.2 bar right now (according to the chip tuner guy). It pushes out 163 Bhp with MAF and 168 without. My fuel consumption was 11.5L/100Km in city driving. I'll get a new MAF next week, will also check the boost levels this weekend.
Anybody who can reset his ECU fault codes;
Is your chipped car getting (a lot) weaker with MAF disconnected???
Today we measured the boost levels (during trashing).
Maximum requested boost was 1950 - 2000 mBar (roughly equal to 1 Bar of boost)
Maximum delivered boost was 1650 - 1700 mBar (roughly equal to 0.7 Bar of boost)
I will wait until the new MAF arrives, then check these values again. If there will be no cure for the low boost level with a new MAF, we will adjust the screw on turbo's wastegate.
The standard k03 can't push more than 1 bar as I know...The k04-01 though is much better...
:cheers:
The KKK03 in my Leon can push 21psi which is way over 1 bar, although this is am MY01 so might have modified internals
My k03 pushes upto 18psi at times, so thats well over 1bar.
Ben
Skoda4x4
01-07-2002, 17:29
The K03 comes in three different sizes. The difference cannot be seen from the outside. It will take 1.3bar of boost. But remember folks boost is not everything. I'm running 1.0bar and produce 224bhp.
Just curious, but how can you be running 224Bhp at only 1 bar pressure onthe 1.8T?, i thought the seat and skoda versions of the 1.8T were pretty similar?,
Are you using more than just a chip?, whats the torque like?, and is the 224hp a spike or is is a fairly consistent graph?, do you have any vag-com dyno runs to post?
Skoda4x4
01-07-2002, 20:57
Originally posted by Mosser
Just curious, but how can you be running 224Bhp at only 1 bar pressure onthe 1.8T?, i thought the seat and skoda versions of the 1.8T were pretty similar?,
Are you using more than just a chip?, whats the torque like?, and is the 224hp a spike or is is a fairly consistent graph?, do you have any vag-com dyno runs to post?
Boost pressure isn't everything, for example Jabba's 380 bhp golf runs at 1.5bar max and at 1.25bar still pushes 330bhp.
Excuse me, spike, wots a spike. Oh thats right thats what owners of standard VAG 1.8t's have. NO spikes here. Only the ones the cops throw across the road!! Smooth as a baby ar*e.
IMy car produces 224bhp and 236 lbs ft of torque, and hold a consistent 1.0bar. Well drops very briefly to 0.95bar. It hold it right until the rev limiter. My car is so much a different car now. It drive completley different to standard
I will post my graph in a day or so once I get it scanned.
The 150/156/180 bhp engines are prettry much the same. They use three different sized KO3 turbos. You cannot tell the difference from the outside. The all have different sized impellers. There is not way you can which your car has until you have it re-mapped.
Just the luck of the draw.
:devil:
Are you running a 3bar FPR ?, do you know if your injectors are different??, what sort of compression ratio are you running?, any more details on how it gets so much more power than the Leon?
Do you know what size your IC is?, does it get better airflow?
Skoda4x4
01-07-2002, 21:08
You can run standard injectors and fuel reg until around 228-232bhp where the are at 100% flow rate. Then you need to change to a 4 bar reg and injector something in the range of 300 - 400 ml per minute.
My car came with a golf ecu, but really should not make any difference.
I would avoid 'off the shelf' chips as there for one car. How can I explain. You buy a pair of trousers, they might fit well, but someone else might find them a bit short. Catch my drift. Each car is different and requires fine tuning.
Other than re-mapping/ dv my car is as it left the factory.
Skoda4x4
01-07-2002, 21:11
Any other questions, If you don't believe me then speak to Mike at Jabbasport. He should now he did it on Saturday.!!!:cheers:
I am probably not explaining myself properly!,
What i meant is do you know what the differences are between the Octavia and the Leon and why it can chip to a higher power?,
To me it just looks like the turbo has different internals but i could be wrong, my MY2001 had a K03 external with a ko4 compressor inside, but it looks like the Octavia has something else in addition to get the extra power when chipping, as far s i'm aware there arent any Leons or Beezers around with 220+Bhp without some having undergone major surgery!
Its not at all that i dont believe you, its just that i am curious as to how come it can be done on an octavia and not on a Leon!
Did you not get a RR printout from Jabbasport?, and chance of posting it?, do you know what sort of power it is producing at the wheels?
Mosser, you missed stuff whilst you have been away!
Before your exile Upsolute seemed to be the way to go, approx 210-215bhp. However, Jabba seems to get 220+ out of the engines :-) I am sure there is somebody else with a leon and jabba who has 220+ as well.
Ahh, so thats what it is!, cheers Dave, last i heard is that Jabba were tuning for either Bhp or Nm but couldnt get both to that level !, they must have found a secret ingredient that they arent telling anyone about ;o)
I think Skoda4x4's car is running similar torque levels to most other chipped 1.8T's but the difference is that the engine in his car is holding boost up to the limiter, this will account for the increase in BHP, the fact that boost isn't dropping off in the high rpm range.
I have no boost spikes in my Leon after a revision to the program by AMD earlier in the year but I was still getting boost drop off higher up the rev range. Now with the addition of a new N75, the car pulls strongly all the way to the redline so I would expect that my car is now somewhere in the region of 220BHP although I have no dyno prints to prove it.
Also, please bare in mind that all dyno's are different and will produce different results. Tyre pressures and the amount of transmission drag that the tuner dials in (amongst other things) will all have a bearing on the power that the dyno displays.
I don't think that the Leon and Octavia had different engines by any means. The tuning shop where i took my car to (but they couldn't chip it due to the failure of something in my car) did several 225 BHP leons, totally std. I'm not a fan of peaking cars however, 200-210 BHP are far enough me thinks.
Then we have fixed a 1999 Ibiza Cupra 20VT several weeks ago, where the problem was the same (like mine)- car did not want to go over 170 BHP, shortly after the MAF blew. With new MAF, the car flies with 200 BHP. I read about quite big differences between 20VT performance, maybe MAF should be the first to look after - even if you got 195 BHP out of your car. Then there is a mechanical adjustment possiblity on the turbos wastegate, which i cannot believe that is similar on all turbos.... lots of adjustment (and fault) possibilities
Shock_Xe
03-07-2002, 00:18
Skoda4x4 have u got the 2in1 dv from impossible???? if so did u install it or 3rd party??? and how are you finding it cause on the other site ***************.co.uk they have tested this valve on chipped motors and getting problems, but ok on standard... Are u getting any problems with your chipped motor and dv??? sorry 4 questions, lastly how is it set up....
cheers in advance
Skoda4x4
03-07-2002, 17:36
Yes I have anm atmospheric DV from Impossible.
When I fitted it at first I fitted it the way the opld one came out and this turned out to be wrong. It should be fitted with the trumpet facing up. A few others have made the same mistake.
I vagcom'ed the car and it returned a fault saying leak- check dv.
The instruction on the DV say set it at its softest setting and only adjust if the car tries to stall. This turns out to be the wrong thing to do.
After my car was chipped every so often it fell back to 0.35bar and returned the fault. I tightened up the adjuster on the dv and this solve the fault, the car now holds the boost and still dumps very well. The dump is the same just shorter.
If anyone has fittted one of these valve then check for a fault and then just tighten the adjustment to halfway, problem solved.
Took my car back down to jabba on Tuesday (see post in dyno plot section) and only got 143bhp STD (normal advance) and 173 Chipped, thats running 7degrees of advance..only good for optimax now. Mike said that beezers don't like been advanced but mine does for some reason.
Mike spent all day trying all sorts of stuff, even a different MAF..no joy. Any ideas would be usefull as I WANT 195BHP NOW!!!
squiffy, welcome to the club.
i'm getting a new MAF tomorrow, will see if it solves anything.
Please immediately tell us if you've found what's wrong.
Shock_Xe
03-07-2002, 23:20
hmmmm, im reading a few posts about jabba not getting good power out of the 20vt cars (ibiza's) starting to have 2nd thoughts on taking mine there now cause i got £600 burning a hole in my pocket!!!
Shock,
My first thought was to blame the chip tuner for lacking power, but it seems it is not their fault. Sadly there are huge differences between the 20VT engines, my car was hardly producing 151BHP/204NM standard (with a cat back free flowing exhaust) and cant go beyond 168BHP/224NM when chipped. As you may read, not few have 160+BHP as standard. I think it's not the engine manufacturing dispersion which causes this, but some adjustment on some things. We gotta find these things! Will grab my new MAF in some hours then i'll report.
Just arrived home from the dealer with a shiny new MAF in my car, but guess: it DID NOT solve the problem (boost being lower than requested).
The following parts which will be investigated more closely will be the N75 valve (which may make turbo to release my boost earlier than in should) and the turbo's wastegate itself (releasing boost earlier than ECU would through the N75 valve). No more parts play significant role in the turbo boost, so there should be the answer!!!
We will borrow a VAG turbo boost monitoring equipment for this weekend and adjust the turbos wastegate manually (with the screws on it) in the case the wastegate would release my boost too early OR replace the N75 valve in the case it is causing my low boost.
just an interesting point that might help. Mike said that the boost on my car was holding .85bar up to the red line and was easily producing enough boost for 200hp, its someting else that is holding the engine back..maybe the CAT??? All the readings on VAGCOM were normal and there seems to be no good reason why 195BHP is not dialing up.
Tried running the car with the MAF disconnect yesterday and it 'seemed' more powerful. The MAF that mike tried MAY have been faulty as well. Need to get a new MAF to try.
Skoda4x4
04-07-2002, 18:09
Shock_Xe
Thats a strange one. I thougbt the 150/156/180 engine were all the same. The only differences that I were aware of were ecu software and one of 2 KO-3. I've had no probs with Jabbasport, seemed proffesional and have been delighted with my car since. Genuinely 224bhp and 236 lbs/ft will post my dyno when I can get it scanned. I don't have a scanner.
I bought my car with 150bhp, at StarPerformance it recorded 167 bhp. I thought wow. When I first spoke to Mike I said it got 167bhp, he said it's a 2001my. They came with larger turbo.
Shock_Xe
04-07-2002, 21:51
Originally posted by Skoda4x4
Shock_Xe
Thats a strange one. I thougbt the 150/156/180 engine were all the same. The only differences that I were aware of were ecu software and one of 2 KO-3. I've had no probs with Jabbasport, seemed proffesional and have been delighted with my car since. Genuinely 224bhp and 236 lbs/ft will post my dyno when I can get it scanned. I don't have a scanner.
I bought my car with 150bhp, at StarPerformance it recorded 167 bhp. I thought wow. When I first spoke to Mike I said it got 167bhp, he said it's a 2001my. They came with larger turbo.
How can u tell its a 2001my (so i can check) please
Laslty u r the only person so far who has had success with dv on a chipped car.... Standard cars r ok but chipped ones light up the dash, dunno if its cause u got vvt or cause its chipped by jabba cause they tested on amd and oetinger.... interesting, would like one for myself but if it doesnt work that £160 down the pan
Squiffy,
my car cant go higher than ~0.68-0.7 bar in boost, so the problem is not the same as with you then. I blamed the MAF too, but it turned out that it is good. With disconnected, my car is also more powerful a bit, but loses huge amount of power above 5k and fuel consumption is terrible.
Funny you mention CAT (which should block exhaust) but i don't think that on a new car with 5300 miles it would have been clogged...
Sounds like your wastegate is opening up early, did you try adjusting your actuator rod in a few turns, it should add more preload allowing you more boost.
I heard that the turbo/wastgate is setup by hand at the factory and there are differences from car to car..prehaps yours is setup wrong from the factory??
The other thing that it could be is that your turbo/engine is still tight with only 5300k on the clock.
As far as my motor goes Mike and I have tried everything we can think of..the only thing left is the CAT, but proving this under warranty is anouther matter. Just out of interest SIM did you get your new MAF under warranty ?
Skoda4x4
05-07-2002, 17:41
Shock_Xe.
Seriously my dv works well and have had not problems with my chip/dv setup. If folk are having problems with the atmospheric dv the tighten up the adjustment screw, that all you need. But If you are having probs them it must have registered a fault in the ecu, so this will have to be cleared first.
My car is a 2001 'model year'.
I am having problems understanding the above problems with limited bhp from a chip.
Jabba got my car to 224bhp & 236lbs/ft . No spikes. I don't see why the same result is not achievable from other 20vtees.
:cheers:
Squiffy,
the next step will be adjusting the wastegate. Hopefully my friend could borrow the VAG boost gauge so we will be able to set the wastegate up correctly this weekend. Meanwhile i did some tweaking on my N75 valve; maybe marginal improvement but nearly nothing.
As for engine being too tight, i would agree if i'd miss lets say 5 BHP, but i'm missing 30-35 and lots of torque + i got no boost, that's proven. My MAF has been replaced under warranty, because i could source a 100% faluly one which i relaced with my original one. Now i got a spare MAF.
BTW: This friend of mine has a workshop in the other street, he fixed a TDI lacking lots of boost by removing clogged CAT (25k miles).
Sadly could not borrow the VAG boost gauge for the weekend so could not adjust wastegate yet, but did an interesting test.
Unhooked the pipe from the N75 valve which goes to the turbo's wastegate, choked it, put a short piece of another pipe to the N75 valve (from we unhooked the turbos wastegate) choked it too, then put a 1552 on to monitor actual/requested boost.
Guess what, boost went up to 1 - 1.1 bar (2000-2100 millibar on ECU) and car flew like as it had to. I am still wondering why boost did not go beyond the 1.1 bar but it's been proven that we are looking the problem at the right place. We will adjust on the wastegate tomorrow (monday) or they day after (depending on the boost gauge availablilty) if no change then my N75 valve is faulty. If car responds to wastegate fine tuning, then it is the problem.
ECU did not notice anything about this, no warnings, no CEL, no limp mode.
If anyone's interested,
just been back from wastegate adjustment but i couldn't "find" my missing boost. The screw has been adjusted to the maximum possible position near to the wastegate. Turbo pushed out about +0.15 bar more pressure, but the boost disappeared from lower revs (no noticable boost till 3.5-4k)!!! Tried different setups, but the default setting seemed to be the best, available torque from low down so i put it back.
We have unhooked the N75 again, and with maxxed turbo wastegate setting it created 1.25 bar max, 1 bar sustained. Maybe it could go a bit more higher with vacuum introduced into wastegate, but didn't want to mess with it that much.
My next step will be to get a new N75 valve, no other ideas. Without it, i got boost. What's your opinion???
Originally posted by Skoda4x4
Shock_Xe
Thats a strange one. I thougbt the 150/156/180 engine were all the same. The only differences that I were aware of were ecu software and one of 2 KO-3. I've had no probs with Jabbasport, seemed proffesional and have been delighted with my car since. Genuinely 224bhp and 236 lbs/ft will post my dyno when I can get it scanned. I don't have a scanner.
I bought my car with 150bhp, at StarPerformance it recorded 167 bhp. I thought wow. When I first spoke to Mike I said it got 167bhp, he said it's a 2001my. They came with larger turbo.
he he he my 130 hp standard punto GT with filter and exhaust 'made' 153hp on Star's rollers done to standard pressure and temp. on the day it made 143hp (104 at the wheels) which is the better and 'true' reading
Same prob here.
i went to jabba on tuesday with my ibiza with an APR chip it couldnt get over 170 BHP and standard was only 147, he said that it might be a CAM KEY WAY problem??? and he said that he has seen 3 other cars now with the same prob.
He said that it is only cars made in 2001 as there might have been a faulty batch of cams ???
they said that they are looking into the prob, so hopefully they will find out what it is.
Problem with the cams???
Why would them prevent the boost to go higher than 0.68 bar? If cams would be that bad or detuned, the car would not idle or go at all i think.
When i unhooked the N75, turbo boosted lotsa air. I already got a new one, will put it in after lunch.
My car was built in 2001, engine code is AYP004518 however.
Shock_Xe
10-07-2002, 13:53
Originally posted by Skoda4x4
Yes I have anm atmospheric DV from Impossible.
When I fitted it at first I fitted it the way the opld one came out and this turned out to be wrong. It should be fitted with the trumpet facing up. A few others have made the same mistake.
I vagcom'ed the car and it returned a fault saying leak- check dv.
The instruction on the DV say set it at its softest setting and only adjust if the car tries to stall. This turns out to be the wrong thing to do.
After my car was chipped every so often it fell back to 0.35bar and returned the fault. I tightened up the adjuster on the dv and this solve the fault, the car now holds the boost and still dumps very well. The dump is the same just shorter.
If anyone has fittted one of these valve then check for a fault and then just tighten the adjustment to halfway, problem solved.
Skoda i just fitted on of the dv's now, just a few questions, how will i tell if a fault is being reported???? secondly mine is dumping way to early at about 2500 rpm and very little above 3500rpm i want to reverse this.... any ideas??? how yours set up....
Sorry for the questions
cheers
mike
Bought a new N75, replaced with the old one, but no luck. The result of our long debugging is +0.1 Bar, replaced MAF, replaced N75, requested boost is above 1 Bar, delivered is still low (now max 0.75 bar for me). NO i repeat, NO leaks. N75 unhooked, boost hits 1.25 Bar!!!
I suspect there is a newer software which is NOT compatible with the old one... Any chiptuners could confirm?!??!??
Im really beginning to hate this car, i'll probably put a bleed valve or a manual boost valve instead of the N75, because that way car flies!!!
SEAT did this on purpose for sure as this is with newer cars only. Why would anybody get a Cupra R, if a simple cupra will be more powerful with a chip?!?!
r u sure that the problem is at the 2001 ibiza's?
I bought my beeza before 4 months (12/03/2002) and with APR's chip(and exhaust) it has now 201 bhp..
I don't think that SEAT changed anything to the production line..
Why don't you reprogram the ECU? Maybe there is an eeprom fault..
Ibiza Cupra R has bigger brakes,and some other things that make it more expensive than the std cupra...Apart from that there are only 200 in europe :)
I hope you can understand my english :-)
Greetings from Greece
ECU requests appropriate amounts of boost, so the chip seems to be OK. There's just simply no boost, and it seems that the boost is limited by the N75 valve (and not caused by any leaks). N75 is controlled by the ECU, so no idea. Really.
Shock_Xe
10-07-2002, 20:43
dont wanna sound stupid but if the car flies with the n75 valve unhooked, y dont u just leave it off???
Hehe, yes. Car is a real monster without the N75 valve, though i dont really want to blow the turbo just with 5k miles. Since i got two working N75 valves, i already thought on equipping both N75 valves one controlled by the ECU (default), and one controlled by me with a simple switch which would disable the boost going to the wastegate from the main N75 valve. Not a bad idea, should not do any major damage with just a push button (like with nitrous for example) using for some seconds only.
BUT, i have played with my new N75 valve (which i also tried with my old one but without any results), adjusted it to the right until it stopped and car seems to have some more boost by now! Even possible that it hit the 190BHP barrier, don't know, feels a lot faster but have got a huge flat spot at 4000 RPM in 2nd.
Will ask for a dyno run tomorrow to see what happened. Also will try and play with the N75 a bit more. The problem is that it cannot be adjusted when hot, have to wait until engine (+N75) cools down completely which is a quite slow process on the 20VT...
sim,
Its unlikely you will blow your turbo at 1.3bar cos i have been running 21psi for the last 40,000 miles (my car has done nearly 80,000 miles in total now) and not had a single problem to do with the turbo, i cant remember the proper bar-psi conversion but i thing my 21psi is just over 1.3bar
Mosser, you running without a warranty then, or have you extended it? Not there yet, but will only be a few months...
Looks like they might be replacing my CAT, which would cost far more than a warranty, but that depends how much they sting you for high mileage.
I did get the extended warranty, its unlimited mileage for about £150, not bad, but i dont think its much use for me for engine related repairs cos of my chip, i use it to get a supply of interior door handles cos they keep peeling and now the stiching on my second rear seat cover is comming apart again so thats up for replacement under warranty now too!, plus the coils keep going, and i have got a possible fault with another coil starting to show misfires intermittently (on vag-com) at the moment so might be getting another one of those too!!
Interesting thing about the cam key because my tuner said that my cam belt may be a tooth out on the pully. It would explain why running nearly 9Deg's of advance would produce 10bhp more power. The question is how do I approach SEAT about this without mentioning my chip.
Just to inform, messed with the N75 and wastegate a bit more and car's getting faster and faster a bit every time. Like car would learn the new program over time... It will be dynoed next week. Lots of hesitation and flat spots though.
Anyone knows how to erase the learning and adapting "memory" of the ECU? Is it automatically erased when ECU has been disconnected for chipping?
Just an update on the cam key thing. I'm getting my cams swapped on the 17th with a set of golf 1.8T from Mikes car which are known good, if its not a chain/timing thing. Hopefully this will resolve my power problems once and for all.
Originally posted by Sim
Anyone knows how to erase the learning and adapting "memory" of the ECU?
Disconnect the battery?
ibizacupra
11-07-2002, 19:23
Originally posted by Sim
Anyone knows how to erase the learning and adapting "memory" of the ECU? Is it automatically erased when ECU has been disconnected for chipping?
Disconnect ECU plug, or battery for a couple of minutes then reconnect.
Put key into ignition and turn ignition on but do not start engine. Leave this for 5mins or so and it should have sorted itself out and will readapt again. (I think I remembered this right)
Bill
Im over on my first refueling since got boost, and the fuel consumption is just unbelievably terrible!!! It's around 18L/100 Km, city drivnig, 75% of this is pure trashing true, but 18 Litres go my god, it's aint a V8!!!!! If i don't push it above 2500, then computer shows 12L/100Km, but as im steppin on, it rises immediately up till 16.5L/100Km. After refilling the tank, the average we calculated was 18L/100Km!!!
Gotta take the chip back to the tuning shop, as they couldn't really map the chip to the car, just tweaked up everything to the maximum to see what is the car capable of. Now as it seems my boost issue have solved, the A/F ratio HAS to be reduced, as it is a no go for me!!!!!!!!!!
What is your fuel consumption on properly chipped 1.8T????
ibizacupra
12-07-2002, 14:44
Originally posted by Sim
Im over on my first refueling since got boost, and the fuel consumption is just unbelievably terrible!!! It's around 18L/100 Km, city drivnig, 75% of this is pure trashing true, but 18 Litres go my god, it's aint a V8!!!!! If i don't push it above 2500, then computer shows 12L/100Km, but as im steppin on, it rises immediately up till 16.5L/100Km. After refilling the tank, the average we calculated was 18L/100Km!!!
Gotta take the chip back to the tuning shop, as they couldn't really map the chip to the car, just tweaked up everything to the maximum to see what is the car capable of. Now as it seems my boost issue have solved, the A/F ratio HAS to be reduced, as it is a no go for me!!!!!!!!!!
What is your fuel consumption on properly chipped 1.8T????
Mine is 28mpg urban average, 34mpg cruising fast on motorways and 38mpg when driving to speed limits, touring.
It has over 15000miles on it now.
When new, I could'nt get more than 32mpg from the thing no matter how slow I drove. Its getting better with age.
Chipped from brand new. Oettinger chip for ref (at the moment!)
Bill
Thanks Bill.
I persume it is UK gallons, so 1 gallon is roughly 4.5 Litres.
28 Miles per Gallon = 44.8 Kms per 4.5 Litres = ~ 10 Km per 1L, 100 Km/ 10L
now i almost got 10 Km per 1.6L, so something is wrong! True, that the tuner bloke said this chip has to be adjusted as i'll have the missing boost, but i wouldn't think in my worst nightmare that i'll have such a bad consumption like this!
What do you think, would reducing A/F solve my problem (and maybe add some extra BHP too)???
ibizacupra
12-07-2002, 20:47
Originally posted by Sim
Thanks Bill.
I persume it is UK gallons, so 1 gallon is roughly 4.5 Litres.
28 Miles per Gallon = 44.8 Kms per 4.5 Litres = ~ 10 Km per 1L, 100 Km/ 10L
now i almost got 10 Km per 1.6L, so something is wrong! True, that the tuner bloke said this chip has to be adjusted as i'll have the missing boost, but i wouldn't think in my worst nightmare that i'll have such a bad consumption like this!
What do you think, would reducing A/F solve my problem (and maybe add some extra BHP too)???
If its running that rich you should see black smoke from your exhaust and very sooty tail pipes... The riks is tho that the poor old cat might be being choked up with this crap unburnt fuel....
Getting the A/F ratio nearer 14~15 would certainly help.
Does'nt sound very healhy and I would be worried about damage to the cat.
Bill
No black smoke at all, thats why i am confused - how the hell could eat it 20L fuel on 110 Kms?!?! Since my last refilling it seems to be a lot better, so far so good, 13.5L/100Km usually trashing.
hello
I was driving for 460 klm today and i had 9.2L/100klm
I have APR's chip and i can say that its more economy now than std...BUT you must not go to "turbo"mode :)
If the car boosts then it "eats" too much fuel..when it hits 1.2 bar the monitor "says" 33L/100klm :)
If the car is driven with 0 to -1 (atmospheric) then i get "6-8L/100klm
I hope you can understand my english :)
Greetings from Greece
Dimos
Hmm, back on 18L again. 100% pure trashing
Newstarter
13-07-2002, 20:25
My Cupra 20vt is going into jabba on 16th July for a remap. Reading these post some cupras have has problems reaching the 200bhp mark.
Is there anyway of telling if the car will or wont before i go. will be a bit upset if i get there and the increase is minimal
My car was reg May 2001 with AYP engine code
thanks
mike
I would not tell before chipping that my car will have any problems, that's why i'm disappointed. My problem seems to got shorted by replacing the N75 valve, and im still messing with adjusting it and the wastegate which both make HUGE differences in power delivery! I cannot imagine that these things are set properly on every car!
Shock_Xe
03-11-2002, 11:19
Can any1 post a piccy of the n75 valve and how to adjust it and disconnect it (Aint got a clue!!!)
cheers