Slowly keeps going into limp mode Bank 1 too lean
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AudiWorld Newcomer
Joined: May 2012
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Slowly keeps going into limp mode Bank 1 too lean
From day 1 my 225 has been under powerd didnt notice it at first but after driving another one mine sucks no turbo boost at all after about 6 weeks of driving warning light came on the dash and it said it was Fuel Trim Bank 1 to lean so cleard the fault and OMG the car was amazing pulling strong till about 3 hours later going back into limp mode with no warning light now :/ Ive checked for leaks cant see any done the MAF test by drving with it dissconnected made it a load worse haha any ideas?
AudiWorld Newcomer
Joined: Jul 2012
Posts: 7
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Hey,
I had this same problem. I had checked all of my visible hoses as well and found nothing. I had a smoke test done after having no other options and found the leak under the manifold front passenger side of the car. There are a few tiny vacuum hoses under there that are exposed to a ton of heat and the ends get dry and crack. The hose for replacement has to be purchased from Audi, but is only $8.00 per meter which is more than enough. You can try and use either propane or carb cleaner to find the leak. If it gets into the system the car will idle way down or shut off and then you can narrow down the location.
Good Luck!
I had this same problem. I had checked all of my visible hoses as well and found nothing. I had a smoke test done after having no other options and found the leak under the manifold front passenger side of the car. There are a few tiny vacuum hoses under there that are exposed to a ton of heat and the ends get dry and crack. The hose for replacement has to be purchased from Audi, but is only $8.00 per meter which is more than enough. You can try and use either propane or carb cleaner to find the leak. If it gets into the system the car will idle way down or shut off and then you can narrow down the location.
Good Luck!
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