Cupra eating spark plugs

[robdf2]

Well my car has been into the stealers again ! no shock there then

been in for missfiring in 6th gear around 2,500 rpm when acclerating up to about 60 mph , car was shaking and juddering , been doing it for about 6 weeks (had same problem about 5 months ago), anyway finally got her in and spark plugs were changed (same fix as before) and runs smooth and pulls very well.
Only thing is this is my 4th set of plugs this year ???????? cars on 47k now , have tried irridium plugs and they lasted about 2 months before failing.
Anyone else had this problem?
stealers are reluctant to investigate saying not enough info to go on?

Rob.

 

[Marshall]

What does it do to the plugs Rob?
Do they say it just fouls 1 plug up or what?

Kev

 

[robdf2]

hi mate ,
i will upload some pics ,i said to them that they look like my car was runnig rich , the master tech said they look sooted around the bottom of the plug which was normal , the electrode lloked totally worn out to me but he said they look normal even though i said they are 5 months old , tbh he was a numpty was funny listening to him trying to tell me what to look out for on a spark plug , you just bang your head against a brick wall.
im going to ring the dealers tomorrow because i really want an investigation done to what is causing them to break down.
i know it was cylinder 3 that went logged it on vcds.
just find it strange they supposed to be 40,000 mile servicable parts not 5 ffs

 

[Scotty2hotty]

The amount of posts ive read about your car with problems is alarming. I just hope you get to the bottom of this. You must be sick of the bloody thing.

Had a mate in his old mark IV golf gti with a similar problem. He ended up discovering his a/f ratio was too rich on a dyno run investigation.

Strange the irridium plugs dont last long either. Ended up altering his air fuel ratio, solved his problem, but was definately running too rich.

 

[betts]

I think I have the same problem as you rob, my cars still playing up but only intermittently if this is the case my plugs have only lasted 9k. Slightly off topic but where abouts in nottingham are you from? I live about 200 yrds from the gateway hotel ,we could meet up and compare faults

 

[robdf2]

hi mate , i dont live in nottingham , my girlfreind does , i am there this weekend so can meet up sometime?
my plugs have been changed under warranty and my fault has gone , im booked into see Revos master tech this friday for him to have a look so might be able to tell you something at the weekend.

Rob.

 

[Al]

I am a bit worried as mine has the same issue. Difference is mine is running the CDL 2.0T and not the BWJ. My old car never ever had an issue with a miss fire, coil pack or any kind of rough running. This new car has been molly coddled, unabused and is completely standard and has issues. The old one was tuned to the hilt and had the arse kicked out of it every single day and never missed a beat.

My issue happens in 4th mostly, but sometimes third, sometimes 5th and sometimes 6th at approx spool (2-3k rpm) then again at approx 5-6K rppm.

Might see about getting a new set of plugs seeing how the dealer reckons nothing is wrong. Car is 4 months and 4000 miles old. Its your car that makes me worry rob. I hope i dont have a lemon too.

 

[robdf2]

Well in one way im happy that someone else is having similar problems , helps to stop the paranoya , but on the other hand i dont want anyone to experience or go through the crap i have had and still having.

The first time i had the missfire issue which was spark plug related was in 3rd gear around 3,000 rpm , this was put down to faulty plugs (after 3 days of diagnostice work), funnily enough ngk plugs , so SEAT charged for the diagnostic work because they were not SEAT parts , they had been in there about 4 months and done around 6,000 miles.

They were replaced with SEAT plugs and the latest missfire was in 5th or 6th gear at 60 mph i think around 2500 rpm iirc , the plugs were replaced last friday and the missfire has gone , this set of SEAT plugs lasted 5 months , i have challenged SEAT and they have told me there was nothing wrong with the plugs that were taken out but fitting new plugs fixed my missfire , oh and this is the 3rd time in a year that my plugs have had to be changed because of missfires.
why the fcuk SEAT dont listen is beyond me , the girl i spoke to at customer care told me that because non seat spark plugs have been fitted that part of my warranty is now void , i just laughed , what a joke , and thats the main sticking point to them not acting because NGK plugs were fitted to my car regardless that 2 sets of OEM SEAT spark plugs have already failed in the same year !

When i had my missfires no fault codes showed up , SEAT would not do a guided fault finding excercise because they could not claim the warranty work back from SEAT uk without a fault code , when this happens you have 3 options

1. complain until you give up.
2. put up with the problem
3. go to an independant who cares and tries to help

i did number 3 and now in SEATs eyes thats why my cars plugs failed , its a joke , i asked customer service what am i supposed to do then when the dealer wont look at my car when no fault code exsists and SEAT uk wont look into it because the dealer doesnt have a fault code , their reply nothing we can do , so you go to someone who cares ie an independant and then get treated badly by SEAT for trying to get your car fixed , absolute joke.

Al my advice to you will be this , reject the car , you will never be happy with it , especailly as you already had a car mapped and modded to the hilt with no problems and you will always compare it , i wish i had done the same and now regret it , i know its something you probably dont want to hear , but will save you a lot of greif in the future , take it from me its not something you want to expereince.
Im off to Revo today to see the mater tech , fantastic guy has a lot of time for people and listens to your problems and tries to help.

 

[Big_Mikey_G]

Yet another top notch endorsement for Seats customer service.

What a complete joke!

Feel so sorry for you rob!

 

[LOU ROB]

I hope the REVO guy's can figure out what is causing your plugs to breakdown so prematurely.

 

[Mr Cellotape]

Hi Rob,
Can you get the spark plug specifications for the NGK plugs and compare therm to the SEAT standard plug specification? I'm willing to bet that the NGK will be far superior in which case you can send SEAT that snippet of information along with detailed accounts of the other 2 SEAT plug failures and request you money back.

I'm not going to bother saying my two-pence about SEATs treatment of people who have out of the ordinary problems, lets just say they end up in the "TOO HARD BASKET"

 

[OLDOILER]

I beleive the 2010 plates are running a different grade, but not sure what they are - sure some techie's onhere should be able to advise??

 

[robdf2]

I hope the REVO guy's can figure out what is causing your plugs to breakdown so prematurely.

They sure can
spent a couple of hours with them today and i have the same problem as invisibales car.
basically oil has contaminated my coil packs , not sure where the oil is coming from yet but something has failed , but to confirm this is true i need to change the coil packs.
He found under very light load my engine timing was being retarded (i have told SEAT about this for a long time) so hopefully this will be the fix.
oh and he also said that when my cylinder head was changed there had been loads of silicone sealant that had been used , i asked if this was normal and his reply was "well its not the way i would have done it" anyway back to the garage on monday.

I cant reccomend Ben highly enough at Revo top bloke

 

[Mr Cellotape]

silicone sealant

Did I just read that

I'm no mechanic, but that sounds like the bodge job of the century!

If I was you I would start getting photos and ask them to do a report on their findings so that you can go back to SEAT and get the cost of the repairs back.

Good luck Rob, I hope this fixes it for you.

 

[robdf2]

Did I just read that

I'm no mechanic, but that sounds like the bodge job of the century!

If I was you I would start getting photos and ask them to do a report on their findings so that you can go back to SEAT and get the cost of the repairs back.

Good luck Rob, I hope this fixes it for you.

Ben has offered to do a report for me mate , already 1 step ahead of you
and yes you did hear correct silicone sealent !

car is already going in monday for its 1st MOT , questions are going to be asked and no squirming is allowed lol
i will keep you all updated.

 

[dazjb69]

High temperature silicone sealants are developed for engines, not saying it was used correctly though!!

 

[OLDOILER]

I seem to remember other threads on "oil soaked coil packs" - is this yet another VAG grp design fault. .......................................???

 

[brad1]

I am a bit worried as mine has the same issue. Difference is mine is running the CDL 2.0T and not the BWJ. My old car never ever had an issue with a miss fire, coil pack or any kind of rough running. This new car has been molly coddled, unabused and is completely standard and has issues. The old one was tuned to the hilt and had the arse kicked out of it every single day and never missed a beat.

My issue happens in 4th mostly, but sometimes third, sometimes 5th and sometimes 6th at approx spool (2-3k rpm) then again at approx 5-6K rppm.

Might see about getting a new set of plugs seeing how the dealer reckons nothing is wrong. Car is 4 months and 4000 miles old. Its your car that makes me worry rob. I hope i dont have a lemon too.

Always the way it seems with cars, abuse them giving them stick etc and they never miss a beat, then treat them well and they seem to have problems lol. Sorry this isn't relevant to this thread. Hope you get it sorted tho Robdf2

 

[robdf2]

I seem to remember other threads on "oil soaked coil packs" - is this yet another VAG grp design fault. .......................................???

Have you got any links?

Always the way it seems with cars, abuse them giving them stick etc and they never miss a beat, then treat them well and they seem to have problems lol. Sorry this isn't relevant to this thread. Hope you get it sorted tho Robdf2

Thanks mate

 

[Dean T]

Ignore me just read it, me being a fool lol