Question about Lincoln Town Car
A code p0455 most likely means one or more of the following has happened:
With a p0455, the most common repair is to:
Posted on Apr 16, 2009
I agree, just got this code for a 2005 Elantra, gas cap was loose, easy fix!
Posted on Sep 01, 2009
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Posted on Jan 02, 2017
P0455 indicates a large leak in your Evaporation emissions system. This system stores fuel vapor from the fuel tank in a charcoal canister where it is later purged and burned in the engine.
The most obvious cause for this would be a loose gas cap. If the cap is tight then you can carefully inspect all of the evap hoses for cracks. It is very common for these to crack and leak on all chrysler products.
If you don't see anything obvious than your next step is to have the evap system smoke checked for leaks. The smoke will be introduced into the evap system under slight pressure. Wherever the smoke comes out is the source of the leak.
If no leaks are found than the usual suspect is the NVLD (Natural Vacuum Leak Detection) pump. Another common failure on chrysler products.
Hope that helps!
Posted on Nov 23, 2010
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