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        General >> OBD Advice >> obd2 codes 
        
(Message started by: shaun on Apr 26th, 2008, 5:36pm)
Title: obd2 codes
Post by shaun on Apr 26th, 2008, 5:36pm
did a test on wifes cozzy the only thing that came up was ,,po171 bank 1 too lean
        po 174 bank 2 too lean
is this bad if so how can i fix???
thanks shaun
Title: Re: obd2 codes
Post by Pegasus on Apr 27th, 2008, 9:07pm
Suggests that you're running rich and ECU is trying to correct - look at the data generated: are both LONGFT readings less than -20%?

Could be MAF: check also the enhanced data - look for MAFV - should be around 0.6 to 0.7 at idle.

Is MAF clean?

Got any particular problems or was it just picked up as routine scan?
Title: Re: obd2 codes
Post by shaun on Jul 7th, 2008, 7:58pm
just a routine scan :-/


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