Evap codes 0455 0442
I looked into other threads extensively on here and cant seem to find the answer
so i had p0455 a month ago checked every single evap line hose connection on the jeep could not find anything wrong over the past 5 years i have owned it i replaced the steel line out of the tank 6 rubber connections and the gas cap just yesterday decided to get the codes read again and now there were two 0455 and 0442 i have never thrown two evap codes guy at the parts store said 0455 is purge valve malfunction on his computer and 0442 is small leak but i keep reading different results for those codes I still run the evap ball in my jeep just tucked it into the engine compartment after I swapped bumpers could the canister be bad? purge valve? Really could use some advice thank you |
Originally Posted by Hewittxj
(Post 3452428)
I looked into other threads extensively on here and cant seem to find the answer
so i had p0455 a month ago checked every single evap line hose connection on the jeep could not find anything wrong over the past 5 years i have owned it i replaced the steel line out of the tank 6 rubber connections and the gas cap just yesterday decided to get the codes read again and now there were two 0455 and 0442 i have never thrown two evap codes guy at the parts store said 0455 is purge valve malfunction on his computer and 0442 is small leak but i keep reading different results for those codes I still run the evap ball in my jeep just tucked it into the engine compartment after I swapped bumpers could the canister be bad? purge valve? Really could use some advice thank you The p0442 is a small leak and p0455 is a larger leak, I am running my cherokee for over a year with these codes, it does not hurt the jeep and you will see none to negligible fuel mileage difference |
I finally went and got a smoke test done well worth the $60 I know the guys at the shop they let me watch the whole thing. My leak detection pump it bad it stays open all the time even though it clicks to shut it doesnt shut and a rubber hose i replaced last year developed and oval open creating a leak.
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And my state inspection plugs into the computer thats why i needed the light gone plus i hate seeing a check engine light
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