A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

running lean?!?!?

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Old Jul 11, 2006 | 04:57 AM
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Default running lean?!?!?

i've recently done sum mods to my 01 1.8T Q T, put on a k&n air filter and a borla cat-back exhaust, and now my check engine light is on sayin its running lean, any help out there????
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Old Jul 11, 2006 | 05:17 AM
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what's the actual code?
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Old Jul 11, 2006 | 05:18 AM
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"k&n air filter " why? you probably toasted your maf.
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Old Jul 11, 2006 | 05:28 AM
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are you chipped?
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Old Jul 11, 2006 | 06:20 AM
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Default Check the airbox to turbo hose... you probably didnt get it on all the way when you installed the ..

filter
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Old Jul 11, 2006 | 06:40 AM
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Default Re: are you chipped?

nah....been BS'ing alot and since im in Germany tryin to wait ti'll i come back stateside!!
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Old Jul 11, 2006 | 06:42 AM
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Default Re: what's the actual code?

i'll have it hooked up to the computer tomorrow to get that back to ya!!
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Old Jul 11, 2006 | 06:43 AM
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Default Re: "k&n air filter " why? you probably toasted your maf.

why would i have toasted the MAF?!?!?! that juss seems impossible juss with a new air filter, i mean its spoolin up hella quicker, but dont understand.....
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Old Jul 11, 2006 | 06:44 AM
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Default There is a myth going around about K&N filter oil damaging MAFs

IMO, it only happens if people over-oil the filter during cleaning.
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Old Jul 11, 2006 | 06:44 AM
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Default Re: Check the airbox to turbo hose... you probably didnt get it on all t

yea i'll def check that, wut u think about the stock DV goin bad??? i ordered a baileys and its bein shipped!!
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