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View Full Version : CEL P0455 and P0442 keeps coming on after resetting



gablks4
05-22-2011, 03:01 PM
CEL P0455 and P0442 keeps coming on after resetting. I thought it was the gas cap but it keeps coming on....

Any help?

pkancel
05-23-2011, 09:12 AM
Could still be the gas cap. I know there was a service campaign on the gas cap but I dont recall what years. It required an new cap or replacing the rubber gasket to get a complete seal. Dealer took care of it on my 2010.


CEL P0455 and P0442 keeps coming on after resetting. I thought it was the gas cap but it keeps coming on....

Any help?

gablks4
05-23-2011, 05:30 PM
2005 4.2 V8