BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > P0171, P29E0 with AR Catted DP

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      01-15-2013, 07:48 PM   #1
Second Lieutenant

Drives: 2010 BMW 335i
Join Date: Jun 2012
Location: Los Angeles

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P0171, P29E0 with AR Catted DP

Hi All,

I recently had a AR Catted DP installed on my car and I've been getting the P0171 and P29E0 (also a SES light) without running any aftermarket tune, but with the PPK tune.

I know it's normal to get fault codes running DP's, but I also tried installing Cobb AP + Stage 2 and I still see these codes and my SES light is still on.

I reset the adaptations and also cleared the codes, but the P29E0 would almost always reappear after a few minutes of driving followed by P0171.

I thought Stage 2 for Cobb was supposed to prevent the SES light from coming on? Does that mean something else is wrong in my car?

I had my car checked up on the dealership and they're blaming the catted DP's. Going to put my stock DP back on and see if the issue still persists as a next step.

Does anyone else have a similar experience with catted DP's?

Appreciate 0


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