Question about Chevrolet Colorado
Code P0455 means there is a vapor leak in the fuel system, this could be a bad vent valve, a abd purge valve, a charcoal cansistor, gas cap or even one of the lines. this requires a scan tool and a smoke machine to find the leak. but in most cases it is just a gas cap. take off the gas cap and look at the rubber seal, if the seal has small cracks, or the rubber seals looks like it is worn. try replacing the gas cap and clear codes and see what happens
Posted on Apr 06, 2011
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Posted on Jan 02, 2017
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