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P0457 Diagnostic Trouble Code Discussion for September 2013

Loose Fuel Cap

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Trouble Ticket Help Requests for DTC P0457
Help Request Posted
2004 Subaru Forester XS 2.5L MIL Lamp on VIN: JF1SG65654
P0457: EVAP System Leak Detected - Fuel Cap Loose / Off. I have put the vehicle in check mode all of the evap sensors click and have proper voltage. Checked flow through canister and ccv valve allows air through when off and doesn't when on smoked fuel tank no leaks found. These codes seem to be conflicting codes, I...
September 19, 2013
2009 Smart Fortwo Brabus 1.0L No Start VIN: WMEEJ31X49
P0457: a leakage in the fuel evap system was recognied. Hey all you Smart techs out there. Have a smart car here that has a long crank, hard start when cold. when it starts it runs rough and clears up and runs good for the rest of day. I have cleaned throttle body, and it doesn't matter if you use the throttle duri...
September 27, 2013
2006 Chrysler Sebring Touring 2.7L MIL Lamp on
P0457: Loose Fuel Cap. ... one! Have a 2006 Chrysler Sebring brother car, keep getting code p0457. I have smoke tested the system no leaks found, did find the Natural Vacuum detection pump acting up. Replaced with new and charcoal canister. Moto logic real has no information on this...
September 28, 2013