Is Your Check Engine Light Going On and OFF By Itself?

ScottyKilmer

Is Your Check Engine Light Going On and OFF By Itself?

It happens to many cars . You're driving and the check engine light comes on. But later, it turns itself off. Scotty Kilmer, mechanic for the last 50 years, explains what that means to you.

Comments (4)
No. 1-3
Payntereddie
Payntereddie

I drive an 06 jeep liberty and my check engine light keeps coming on and then back off it is a p0442 code have already installed a new gas cap this problem has been going on for a while now

ScottyKilmer
ScottyKilmer

Editor

often a bad egr valve, but remove it and clean it sometimes they get clogged with carbon

Franklinhines
Franklinhines

Hey Scotty I have a 2004 ford expedition xlt and my check engine light is on how can I fix it the code for it is p0401