Error Codes
1 Attachment(s)
Hey guys I know that one of the error codes is due to my Cat being too large and my check engine light comes on after I clear it maybe once a week.
My Question is the P0455 Error code comes on at the same time but seems a little more daunting then the P0420. Because they always come on together is it just from my CAT or could there be a bigger issue? Attachment 28087 |
Ok the 420 is because it is not hot enough, it is lean why is it lean? well a major vacuum leak will do that and that is where the 455 comes to play. It could be the gas cap but most likely a very common evap canister problem found on 06 on w bodies.
HOW TO:Replacing Evaporative Emission Canister Vent Solenoid Valve (PO455 error) and you need a tune |
Originally Posted by Ill_Born_ss
(Post 604115)
Ok the 420 is because it is not hot enough, it is lean why is it lean? well a major vacuum leak will do that and that is where the 455 comes to play. It could be the gas cap but most likely a very common evap canister problem found on 06 on w bodies.
HOW TO:Replacing Evaporative Emission Canister Vent Solenoid Valve (PO455 error) and you need a tune I'll have to get on this soon... What kind of issues does this cause when left un-attended? |
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