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shnouz 01-14-2012 12:14 PM

P2187 code
Hey guys. I'm pulling a P2187 code, Lean at Idle Bank One. Currently I have a CS Inlet Pipe and short ram along with a CS catback. I'm running an AP with the stage1+ 93 tune. I cleared the code once to see if it would come back on, it did, almost within 3 miles of driving and idling. I also noticed that my AFR was between to 16.6 - 17.3 at idle, which is pretty high being that normal is I think 14.7. I just put the tune back to stock at the AFR is right where it should be at 14.7 and the CEL has not come back on yet. Any thoughts?

crazyp 01-14-2012 12:17 PM

you are either leaking or need a maf cal, but Im going to lean towards leaking post MAF. could be the BPV connection, couplers, whatever. did you disconnect the battery after the intake install? LTFT above 20% will cause that code also

TriO 01-14-2012 12:17 PM

you done a MAF cal yet?

shnouz 01-14-2012 12:37 PM

I have not done a MAC Cal yet. Can someone enlighten me? I'm still a little new at this.

dooderek 01-14-2012 12:48 PM

read for how to do a maf cal, in the tuning guide

Raider 01-14-2012 01:13 PM

I know you didn't search. Search for 2187 and you will find purge vale and all kinds of threads related.


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