Another miles per gallon thread...

[savery]

Wondering how all you Exeo owners are getting on with regards to MPG

In my previous car (330ci) I didn't care, but I bought the Exeo partly for economy so I'm constantly watching the range computer jump up and down...

I'm getting little more than 500 miles to £65 of diesel, which I think works out at around 42mpg. Is that good for a 170 with a mixed commute, mostly 60mph roads?

Steve

 

[savery]

Economy was the main reason for the switch, but the looks of the Sport Tech facelift swayed me too - none of the other models really interested me. I know the manufacturer MPG figure is rarely met, but considering I do mostly motorway and dual carriageway driving I expected to be a little closer to the 49mpg Seat suggested.

I'll drive a bit more gently when I'm not on the faster roads and see how that goes.

 

[BourneToRide]

Exeo 143 2.0 Diesel Ecomatic regularly sees 55mpg, I'm not sure how much is contributed by Stop/Start and regenerative brakes and lowered body and 16" wheels but I find cruise control helps on quiet motorways

 

[Liamdaffern]

I get around 650 miles from a full tank in my sport cr 143. Generally on a drive I see high 40's low 50's.

 

[barney01]

I was wondering if you`s could help me as Im having similar issues? I bought a white 2012 exeo se tech 2.0tdi 143bhp of a seat dealer in belfast at the start of feb2015-the thing is I have got extremly poor average mpg out of it I also own a 2006 2.0tdi audi 4 s-line,my combined mpg of the exeo has never went over 42mpg Combined(thats on a 180mile round trip on a motorway) where as the same journey in the a4 i would be getting 58mpg combined!! its been in to get checked at the dealership twice and guess what---they cant find anything wrong with it(suprise suprise) they said it could be because a put a set of 19" alloys(a5 rotarblades) on it to which I told them I have 19"alloys on my a4,have yous any idea what could be causing it as although I got a years warranty on it ive only got a week left to pursue a claim of misleading info under the sales of good act-thanks in advance for any help
p.s Ive had no more than 360miles out of a full tank

 

[Flobadob]

Wow thats serious overfueling or a very heavy right foot.

Take it to another Seat garage and get it checked out. If they cant find anything ask them to flash the ECU with the latest firmware.

I have a 2012 143CR Sport Tech and with careful driving I am seeing up to 60mpg on my way home from work at the end of the day (25 miles, 5 miles through town, 15 miles motorway, 5 miles on B road). But generally I see high 40's with normal driving - low 50's with frugal driving.

 

[barney01]

Thanks bud-i had been looking for a nice exeo estate for a long time this one has only 17500 k on it,although It was 16k when i bought it-i was giving it a while to see if it was the previous owners driving as it has the adaptive ecu and what the dealerships excuse they fobbed me off with but to no avail,to say im a little bit dissapointed is an understatement-my only question to you flobadob is would mine not have the same firmware as yours??

 

[Flobadob]

I would assume our firmware should be the same, mines a Feb 2012 model with the new Cr engine and driving lights etc, I purchased it in March 2015 from SEAT garage at 40kmiles all service stamps completed at SEAT garages so I would expect it to have had all/any software revisions loaded.

You are also assuming the car hasnt been given a remap or someone wh has played with the ECU! Might be worth checking if you can.

When I ran the local Subaru Impreza drivers club one way of resetting the ECU was to disconnect the battery as that had a drivers learning ECU. The idea was to disconect the battery for a few hrs, refit the battery and drive like a nutter to get teh ECU to adapt to fast driving conditions before a track day / RWYB day. It may work in reverse but I have no idea the consequences of disconnecting a battery on a newer car as the Imprezas were not as complicated beasts as newer models now adays.

Those days have gone now and I'm more of a MPG guy now rather than BHP guy

 

[barney01]

tbh on the last occasion it was left in to the dealership i noticed a severe lack of torque/speed and although i cant be certain it feels like they may have adjusted something to try and improve the mpg.
What really annoys me is the fact that my a4sline is 6 years older and in a higher tax bracket than my exeo yet outperforms it on both speed and fuel economy-I have no faith on either of the two dealerships in belfast(both owned by the same company "agnews")being able to sort this out as they told me when they ran their diagnostic equipment that "the computer says everything is working correctly". They arent proper knowledgable mechanics but drones who follow instructions.
But Flobadob I think you are right regarding these cars being over complicated beasts as I read somewhere that there are a whole load of things that go wrong once you disconnect the battery

 

[barney01]

mine is feb 2012 with a cr engine,by the way what does cr mean and is that why its only £130 a year to tax better emissions ......better fuel economy by any chance lol

 

[Tonyuk74]

Best Iv had out my 2.0 tdi cr 143 is 62 and that was setting trip as I was driving at 70 mph on motorway from Barnsley to scotch corner where there's 2 lots of roadworks set at 50 mph. as I hit the a66 it was down to 55 mpg by the time I got to Penrith. Stayed about that alway to ayreshire. I do this trip regular and generally fetch back between 49mpg to 52 mpg but I have had it as low as 43 when I was in a rush. Slightly lower on way home as theirs about 30 miles of country roads before motorway and a good 2 miles on first stint of motorway where I'm uphill from joining. My jetta 2.0 tdi pd 140 showed regular readings around 58 mpg and even had a average of 65 on one trip driving like misdaisey. The power of the jetta was much better than the exeo all I put that to is the diffrence between the pd and cr engine as the pd has a lower power band to the cr or at least the cr in my exeo. I do often think there Sumat not quite right with mine but there's never been any warning lights or stored codes and the 0 to 60 is as stated. The jetta would often light the wheels and under steer on round abouts but the exeo never spins unless it's wet and that's rare too. But as a motorway cruser I can't really complain about the drive. It would be nice to have a go in another stranded 143 to see if there is any diffrence to mine.

 

[Flobadob]

One other thing to try is your driving style. Bear with me on this one, everyone’s idea of driving carefully is different:-
Spend a week of driving carefully,
Reset your MPG and watch your live MPG as you drive not your ave (also don’t forget to look out of the window)
Pulling slowly away from jct, lights, round abouts etc
Coast up to jcts, round abouts and go with the flow of traffic, predict when the traffic will slow or stop don’t drive up to a jct and slam on your brakes then pull away quickly to make that small gap.
On Motorways stick to 75mph and when joining slowly increase your speed to meet the speed of the traffic. On A roads stick to 60mph.
Also turn the air con onto Econ mode if you don’t need the air con
You will have a boring week but will know for certain if it’s your car or driving that is causing your MPG woes
Also check tyre pressures these make a difference. Also load up your media player with your fave tunes to distract you from your slow boring driving. Singing is allowed!!!

Then repeat the MPG reset and drive your normal driving style for a week and see what the difference is.

And then report back your findings

 

[Flobadob]

Tonyuk74

My last car was a 2007 Jetta 140TDI Sport, MPG was better but the the Exeo feels more planted and grown up. Power delivery in the Exeo is far smoother and grunttier that the Jetta


barney01

CR stands for Common Rail, google the wikki on it

The 2012 CR engine apparently is smoother, more refined, and produces lower emmisions than the 2009 - 2011 models. I dont know if its a new engine or the same with some tweaks though.

 

[Tonyuk74]

Flobadob
Mine was o6 sport. 140. Your right about the cr in the exeo and it feels more grown up and planted but I really don't find it as poki as the Jetta. My jetta was pre dpf tho and I'm sure dpf must kill some of the power. Aww I miss my Jetta now lol. There was more leg room too in the Jetta for my kids but that's there problem not mine lol

 

[Tonyuk74]

And I do drive at times like u suggested it does make a diffrence and I enjoy seeing how far I can go without braking I even find myself shouting at folk for making me slow down lol

 

[ajf3011]

I generally get around 600 miles between fill-ups from my 143 ST, usually fill up when the needle's around the 1/4 mark.
On my run to Ireland last week did 280 ish miles to Holyhead then 90 ish miles from Dublin port up to Mohill and arrived with the needle showing just over 1/2 tank.

 

[Sausageinabun]

I'm getting about 660 per tank, that's from brim to OMFG will I make it to the garage!!

That's doing over 1000k miles a month to work and back, mostly Motorway and A roads.

I use the cruise control as much as possible, and don't rag the backside out of it in each gear.

I did notice the consumption drop markedly after the last service when they did a fuel system flush, whatever that entails.

 

[barney01]

Trust me I have done all of the above as I said in my original statement I have an 06 a4(which the exeo are based on) which I've had for the last 5 years,I have tried every self diagnosis test there is possible for fuel economy eg long distances 600 miles our of a tank,about town around 430 this is what is so frustrating,I've checked tyre pressure I've changed fuel ie tesco to BP ultimate which incedently I never did in the a4 I've checked it was serviced air filter fuel filter I was hoping there might be more technical reason that somebody might no,I begrudge paying to get it remapped to compensate for the lies I was told before buying it

 

[barney01]

Not that I'm aware off,yet they told me they checked everything,would they not throw up a fault code?

 

[Flobadob]

Top of my head thoughts though may not relate to this car as I dont know enough about it yet.....

1. What about the inlet manifold butterfly valve thingy full of gunk?

The recirculating exhaust fumes create carbon deposits on the moving parts such as the butterfly valve on your inlet manifold. I am led to beleive that this adjust when the car is cold and warm. If its stuck in the cold position then more fuel will be used.

I had this on my Jetta around 70kmile mark and replaced the valve. The main problem was juddering at part throttle speeds (following traffic, motorway cruising) and an increased in fuel useage was noted. Though on the Jetta a light came on on the dash.


2. MAF sensor need cleaning? assuming the CR engine uses a hot wire method. Detects air flow coming into the engine and adjust fueling.


3. Faulty lamda sensor in exhaust, detects air fuel mix and tells ECU when its running 2 lean.


4. Sticky brake caliper, more resistance thus more fuel being used.


Just my 10 pence worth


Was looking at my MPG last few days

On the way to work 8am(ish) 25miles, 5 miles A road, 15 miles motorway, 5 miles town I get about 48 - 52mph on ave

On the way home 4pm (ish) 5 miles town, 15 miles motorway, 5 miles A road I get 52 - 60mpg.

I thought it was day time temp and a rush of excitement to get to work (honest boss) that was causing the difference in fuel usage. but it turned out when I used my cycle Garmin GPS thingy that its more up hill to work and thus down hill home.


On another thought has the SEAT garage got another Exeo you can borrow for a week so you can see the difference?


Also just request the dealership to reflash the ECU with the latest firmware, all it takes is a currupt digit and problems will prevail