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gas cap light

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Old 04-13-2015, 11:12 AM
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Default gas cap light

I have a 2012 jk and My engine light is on for the gas cap but the cap is fine what am I missing the light is driving me crazy. Plz help.

I didn't build it to meet your approval I built it to meet mine.
Old 04-13-2015, 12:35 PM
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Happened to me on my 2012. Try tweaking the large hose that goes into your evac canister. That fixed my light. That was well over a year ago. There must have been a small air leak. I just grabbed the hose and spun it a little each direction. Light went out and never came back.
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Last edited by rob_engineer; 04-13-2015 at 12:39 PM.
Old 04-14-2015, 05:29 PM
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OK thanks I'll try it do you know of a good way to keep the idler pulleys for the alternator from going out every month??

I didn't build it to meet your approval I built it to meet mine.
Old 04-14-2015, 06:38 PM
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Originally Posted by gunner2010150
OK thanks I'll try it do you know of a good way to keep the idler pulleys for the alternator from going out every month?? I didn't build it to meet your approval I built it to meet mine.
Nope. Not me. My 2012 has given me almost perfect performance over 3yrs and 57,000 miles.
Old 04-17-2015, 03:40 AM
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The light went on on my 12, and I cleaned all around the gas cap membrane and cap and it worked.
If it happens again, i'll keep in mind the evap hose, sounds like a plan.



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