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post #1 of (permalink) Old 01-05-2011 Thread Starter
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cowgirlup4267's Avatar
Joined: Jan 2011
Location: Jonesboro
Posts: 4
Unhappy 2000 Mustang dtc codes P0171/P0174 /P0455


I just bought a 2000 Mustang convertible V6.
The service engine light is on so I did the dtc check. My obd11 Reader gave me the codes of P0171 Bank 1 P0174 Bank 2 too Lean and P0455 Evap System Leak detected (gross leak/no flow). The Freeze frame was on the P0174.

I am also new at the ob11 readers! Can someone help me as to where I go from here? I have read so many things as to clean the MAF, check the fuel lines, check the gas cap (which was the first thing I did) replace the Evap canister etc. Not sure what to do next. You guys really seem to know your stuff. Thanking you in advance.

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