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2012 Cadillac SRX- codes: P0171, P0174, C0300, P0157, P0496


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I had the check engine light come on and these are the codes I received from the scanner: P0172, P0174, C0300, P0157, and P0496. Yesterday I started the engine and immediately after it died. It had a rough idle and hesitates on acceleration. Any thoughts on diagnosing?

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I think your headline and codes are a little scrambled. I think its..

P0171....Bank 1 lean

PO174...Bank 2 lean

P0300... Random misfire

P0157... O2 sensor fixed bank 2 sensor 2

P0496 ...EVAP canister purge valve

 

 

 

 

 

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