Frustrated Jk

[DMOinox]

Ok, I have a 2007 Jk 4 dr. Got the
P O codes so I replaced the canister, purge valve, pump and gasket. I even changed the gas cap. Now I am getting check engine light again the gas cap banner . Also,I just replaced the engine. Its a 3.8 from Jasper. What am I missing? Thank you

 

[BLACKJKU]

Ok, I have a 2007 Jk 4 dr. Got the
P O codes so I replaced the canister, purge valve, pump and gasket. I even changed the gas cap. Now I am getting check engine light again the gas cap banner . Also,I just replaced the engine. Its a 3.8 from Jasper. What am I missing? Thank you

What Codes do you have?

Have you tried doing the battery reset after you replaced the parts?

 

[DMOinox]

Po 4056 is the latest. Also, i have done the battery reset. How do I do that?

 

[BLACKJKU]

How to Reset the ECU on a Jeep Wrangler JK

While there are folks that swear resetting your ECU does absolutely nothing, it's a common practice among automotive enthusiasts. The ECU (Electronic Control Module) "learns" your driving style and the parts in your ride by storing information in its memory, information that it gathers using a...

wranglerjkforum.net

 

[DMOinox]

I will give it a whurl.
Thank you

 

[BLACKJKU]

Have you seen this video?

 

[BigAL07]

New esim and gasket fixed my 07. Check the evap line that runs right on the side of the battery. It rubs there and can cause problems. Good luck

 

[DMOinox]

New esim and gasket fixed my 07. Check the evap line that runs right on the side of the battery. It rubs there and can cause problems. Good luck

Thank you. I will check it out.