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lean

  1. gregorycbr

    Lean mixture at cruise and boost on of at full throttle

    https://docs.google.com/spreadsheets/d/1IJvy_L7ilqG7dD_5DaEz23AH4ukYxiyR/edit?usp=drivesdk&ouid=105367819851796571211&rtpof=true&sd=true https://docs.google.com/spreadsheets/d/1Ik9HS2BsMF6o1IGG0t8PHfsYwWVgDwgY/edit?usp=drivesdk&ouid=105367819851796571211&rtpof=true&sd=true...

  2. O2 readings

    Hello, i have a fuel trim problem in my 1.8t auq. I've done multiple tests but can't figure out if my pre cat o2 is bad or that i actually have a fuel delivery issue. The ltft increases (after a reset) when driving normally, but i've recently did a WOT pull in 3rd gear and saw that my stft was...
  3. kevh

    Mixture to lean

    engine light came on today my son has a snap on diag unit it came up with "long term fuel mixture too lean" does anybody know what this means? also found a pipe that has a Y piece on one part goes to inlet manifold the other goes between the manifold and engine when i touch this pipe i can...

  4. Running Lean

    I know this could probably be one of several things but just thought I'd see if anyone has any ideas (I've done a search but no joy). Engine management light came on the other week, the car drove fine, no power loss or anything. The only difference is when its warm it can't seem to decide on...

  5. Leon 170 diesel real world Economy

    I currently own a mountune focus st 260, its great fun, however 28 mpg is a little costly. That’s what the trip computer shows after 1500 miles. I’ve been looking at the lean 170 diesel as a replacement. I know the mpg question has been asked many times, however; I’m interested in the real...
    • helpermonkey
    • Thread
    • 170 diesel economy lean leon real world
    • Replies: 28
    • Forum: Leon Mk2 (2006-2012)

  6. Car running lean

    hello, i have just been on a RR day with the lads from up here and the car has a revo stage 1 remap, forge TIP, scorpion catback and a green airfilter my results where 177bhp and 232ftlbs of torque i was wondering if my car is running down on power? on the AFR graph it shows the fuel to be...
  7. seatcupra2001

    17538 P1130 Long Term Fuel Trim mult.,Bank2 System too Lean

    Hi im new to the site i just brought a seat leon cupra yesterday drove it home it was fine drove it a bout most of the day then at night time ecu light pops on so i phoned the rac an the said it was a code 17538 bank/mixture but when he reset the ecu it has'nt come back on but does any one no...

  8. LCR, remap and running lean!

    Hi! Found out my car is running lean and that must ofcause be fixed! But, when searching for the common "pressure drop between dv and turbo" which disappeared when the weather got better I decided to try a MAF change. It didnt help at all, but back then I tought I might as well stick...

  9. Aux socket in Lean FR 170bhp

    Hi Guys, After a bit of advice. I have a standard stereo with the aux socket near the handbrake. When I plug my Ipod in it's really poor quality with a lot of hissing in the background, is this normal or do I need to get this fixed. Any adivce would be great Thanks Jigme
  10. fuzzgeller

    running lean

    hey guys the money pit is in bother again! mechanic says it bringing up a code about running lean and is putting on the engine management light. he says he can do nothing with it because the car is mapped and the settings are different and since it is something to do with the management he...

  11. will a lean 1.8t TIP fit a ibiza 1.8t

    my mate works in the samco factory just found out so he said i can get them for more or less half price, he said they do a 4 piece kit for the ibiza 1.8t but they dont make the ibiza tips only leon so wondering if it would fit ? im running a k03's also if that make any diff ?
  12. Munky

    System too Lean

    Hello.., i've just run VAG-COM *for the first time* on my Ibiza Cupra after the management light came on last week. This was what i found.. 1 Fault Found: 17536 - Fuel Trim: Bank 1 (Mult): System too Lean I cleared the code and closed VAG-COM etc.., started the car and it...

  13. long term fuel trim lean multi,will it fail MOT?

    having trouble with long term fuel trim running lean multi,replaced n75,spark plugs,maf,vaccuum hoses except on from actuator-n75,lambda bank1,coolent temp sensor,forge tip.still not cured if anyone can help? also wondering with this fault will it fail mot?:think: fault seems to only comes...
  14. ChrisCurzon

    running lean?

    hey guys got a question can you check if car running lean with vag com or anything. had exhaust fixed yesterday and they said was alot of deposite in the downpipe said it maybe due to the car running lean. can anyone advsied on this at all cheers
  15. Yumann

    Running Lean with Port & Polished Head???

    What are people thoughts of this when running std/chipped ecu? Bit concerned if I run without it mapped up it might run lean/detonate? Cheers

  16. Trim mult Bank1 System too Lean ? ?

    Hey i got this fault on my car, When started from cold runs like bag of hammers for few mins. But when warm it runs better, but when i let off throttle and put it bac on it jutters abit then runs ok.. i had this code (Trim mult Bank1 System too Lean ) come up. saying it could be the lamda...
    • Crazy_Titch
    • Thread
    • bank1 lean mult system trim
    • Replies: 8
    • Forum: Leon Mk1 (2000-2006)

  17. Trim mult Bank1 System too Lean

    Hey there guys had this problem, So is it the lamda front probe, Thanks Jamie

  18. Running lean???

    I fitted a air/fuel ratio gauge today and all seemed to be working fine and how it should be untill i put my foot down and the gauge shot into the lean :( Could it be a faulty lamda sensor or is my car really running lean? doesnt feel like theres anything wrong.
  19. Rik N.I.

    Fitting a Lean Cupra Splitter?

    Just bought one of these and wondering are they a direct fit? There is three 'fins' in the middle of it do they have to be cut off? Thanks Rik
  20. PhilW

    Help on Running Lean.

    Had my car on the rollers yesteday and pulled a miserable 212bhp/272lbs/ft of torque on a k03s, where previously i pulled 227bhp/253lbs/ft torque on a k03. Now something funny was happening between 4-5k, the car was smoking a lot, mixture of grey and blue smoke and didnt make the power...
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