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Thread: HELP - I'm New to Mini - P0172 code

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07-29-2010, 06:55 AM

funR53

Neutral

Join Date: Jul 2010

Posts: 3

Gallery

HELP - I'm New to Mini - P0172 code

Hello All,

I am new to Mini so please bear with me. I purchased an 06 S with several modifications (they are listed below). The check engine light is on and throwing P0172 code. The Long Term Fuel Trim on Bank 1 is at -20% at idle and drops to about -10% at 3,000 RPMs.

The car runs great but I can't get it to pass emissions.

The car did not have a cat on it when I got it. I replaced both O2 sensors and put on new CAT.

Someone recommended replacing both MAP sensors? Is this the next logical step? Any other suggestions?

Thanks,
Scott

The MODS are:

Madness Water-toAir Intercooler
Madness 15% pulley
Madness Intake
Madness Cowl Intake
CHR Head
Madness 380cc Injectors
Schrick Cam
NGK iridium plugs
Nology Wires
MTH Tuner
Madness Header
Milltek exhaust