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P0455 Diagnostic Trouble Code Discussion for March 2012

EVAP System Large Leak

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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
2005 Kia Sportage LX 2.7L MIL Lamp on VIN: KNDJE72335
P0455: EVAP System Large Leak Detected. ... check engine light comes back on with a code p0455 large evap leak test the cap and it passed used a scanner and did a salf test and it passed smoked test and can not see no leak any where can anyone help out with this kia sportage thanks.
March 03, 2012
2007 Nissan Maxima SL 3.5L Cuts out, MIL Lamp on VIN: 1N4BA41E57
P0455: EVAP System Gross Leak Detected. Vehicle has no throttle respncse at times.if you take off slowly the car will accel but get hung up intermittantly.while graphing pedal sensors vs throttle valve its apparnt that throttle responce doesnt doesnt line up with pedal sensors.Under hard accel senso...
March 22, 2012
2004 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP54KX4
P0455: EVAP System Large Leak Detected. ... has me scratching my head. Mil light is on with codes p0442 and p0455 and message on instrument cluster say "check fuel cap/fuel cap loose." need to get this car a state inspection and will not pass with mil on. No other symptoms, just the mil. I h...
March 24, 2012