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OK. Problem was........ rubben wiring harness running above gearbox to o2's. ####.....!!!

yeah, true all that! i will get a mafless tune when i can anyway regardless of enginr light or not. if i have no more problems after that then fantastic! i would still like to know about earth points on the car. i have only found 2, one under the oil fill on the head, and another under the...

Mrsir, i have just brought an otr actually and was going to get a mafless tune done (mailorder though...) would this perhaps solve my problem? I keep getting the same codes "lean" and "o2 sensor low voltage" but it keeps swapping around banks.......! on another note, can anybody...

Nah mate, none of that! I hoisted it on saturday, no exhaust leaks, wiring to o2 sensors was good, but now i have got 2 more codes, lean bank 1 (was bank 2 to begin with!) and o2 sensor low voltage? WTF? I will spend a few more hours on it then its off to have an open loop tune so i can...

hey guys thanks for your input so far, i still have not sorted the problem, but i have learnt some things! I have swapped out parts left right and centre to no avail, still same problem! I will be putting it on the hoist on saturday to check for a few things, like, exhaust leaks at header...

checked all that horrid **** hanging off of the top of it when i did oil sender this morning..... was all good.....

Well if it helps, it is pretty stocko, its only got 4 into 1 headers, 2.5" exhaust, no cats. SS inductions maf meter, running the PCV through a catch can. All of these mods have been on the car aslong as i have had it. (except the cats, did that the first day i got it, they hung so low i...

OK, chucked a new oil press switch in this morning, did nothing. still have my origional problem. I got it re scanned and got a fault this time! it was "lean on bank 2" it looks like one of the oxy sensory is not fluctuating as much as the other, i have changed oxy sensors twice before...

THANKS FOR THE PROMPT REPLIE GUYS! I have a new oil sender unit sitting waiting to go in actually! that was my tomorrow job. I will be so happy if it works out i tell ya! will let you all know how it goes! Cheers, JOE OH, and deacon666 or whatever, please dont bother treating me...

Hello everyone! long time reader of these forums, first time poste! 6 months ago i brought an R8 maloo 2001 VU. I have been battling a check engine light issue for the past month. I will start the car and drive up the road, for however long it takes for the thermostat to open, temp guage...