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benzteck
01-13-2007, 10:18 PM
I am going into limp mode I believe (5psi and slow) I have a Giac X and I got a cel after about 5 min of driving last night. I got in and drove today and it started out at 5 psi then slowly I moved back up to 18-20 psi, so great me and my buddy changed my timing belt and while at his shop we hooked up a computer and found a lean adaptation code( it tried to add like 22.3% fuel) but I wasn't doing it anymore so I didn't look into it any further. Then we were on the way back to his house and again 5 psi and slow. I was thinking MAF anybody else have this issue? any help would be great . I have an 01.5

Thanks,
Matt

ShawFM
01-14-2007, 07:00 AM
Have you checked that the "L" hose is not ruptures? If it is not the reinforced hose good chance that it could be your problem.
if picture doesn't show up search Audi World B5 forum "L hose" filter with images

"L" Hose picture (http://pictureposter.audiworld.com/72954/l_hose_atw_pn.jpg)

DGAFxxx
01-14-2007, 07:19 AM
viagra can usually fix any limp issues you might have.

what code was it throwing?

benzteck
01-14-2007, 04:25 PM
I think it's p0171 lean fuel mixture

benzteck
01-14-2007, 04:28 PM
I had a boost leak at the l hose when I got my car a few months ago, but I replaced it and double checked it when I lost boost so it's not that, Thanks though

ShawFM
01-14-2007, 04:39 PM
I had a boost leak at the l hose when I got my car a few months ago, but I replaced it and double checked it when I lost boost so it's not that, Thanks though

Check for boost leak by pressuring your intake. There are some good intructions on AW .
Boost leak (http://forums.audiworld.com/a4/msgs/1659806.phtml)