04 I6 TJ Sport
Over the last several months I’ve had the check engine light come and go.
The light is turns off about every third time I fill up with gas, then randomly will come on one morning as I’m driving to work with the P0456. I noticed this usually happens when the gas tank is below 1/2.
I also started noticing that when the light came on my lowest AC setting stopped blowing when I was stopped. 2-4 would work at a stop, and all 4 setting worked when I got over 20 mph. When the light went off, the AC would work normally.
I followed every vacuum line and found none of them were leaking. I replaced the gas cap.
What else can I check? I seem to fix it somehow, then it just shows up at random.
Over the last several months I’ve had the check engine light come and go.
The light is turns off about every third time I fill up with gas, then randomly will come on one morning as I’m driving to work with the P0456. I noticed this usually happens when the gas tank is below 1/2.
I also started noticing that when the light came on my lowest AC setting stopped blowing when I was stopped. 2-4 would work at a stop, and all 4 setting worked when I got over 20 mph. When the light went off, the AC would work normally.
I followed every vacuum line and found none of them were leaking. I replaced the gas cap.
What else can I check? I seem to fix it somehow, then it just shows up at random.
