Trouble code P0171

valdeston · #1 01-05-12

Hello, dears,
I have a SAAB ARC 2.3T from 2 years and today flashed me "engine malfunction" /CEL/. I could read error with ELM 327 and it is P0171. Can anyone help me with advice on where to look for problems? Thank you in advance for your help!
Yours sincerely
Vladimir

TankTak · #2 01-05-12

Quote:

Originally Posted by valdeston

Hello, dears,
I have a SAAB ARC 2.3T from 2 years and today flashed me "engine malfunction". I could read error with ELM 327 and it is P0171. Can anyone help me with advice on where to look for problems? Thank you in advance for your help!
Yours sincerely
Vladimir

That error code refers to system running to lean, could be an exhaust leak before the o2 sensor, o2 sensor itself, dirty mass airflow sensor, lack of fuel...as in fuel pump could be dying

I would start by cleaning the MAF with some cleaner and see if that helps any, and also check for exhaust leaks before the o2 sensor

valdeston · #3 01-05-12

Thanks for the quick answer! Have a nice day!

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