My battle with the dreaded "Gascap" indicator - Jeep Wrangler Forum
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Old 05-17-2017, 06:57 PM
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My battle with the dreaded "Gascap" indicator

My '13 JK has only 10K miles - about 1000 miles ago, the Gascap indicator started appearing which evolved into the CEL.

After 3 trips to the dealer, where they 1) found a loose fitting and tightened it, 2) did a smoke test ( could not find the leak ), 3) and finally installed a software upgrade ... it always came back the next day.

I did not run it for a month or so, as I was traveling and it is my second vehicle. When I went to use it - the battery was dead - no clicking or anything. After charging for 24 hours, it started fine with no Gascap indicator. After a month - still nothing.

So a hard reboot seems to have solved it in the short run - lets see if it relearns the Caspcap issue over time ( I hope not ! )

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Old 05-17-2017, 07:25 PM   #2
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I had his happen once after I had my tank filled with the ignition still on. I have since turned the ignition completely off before refilling and he issue has not returned.

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Old 05-17-2017, 08:45 PM   #3
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Put a little silicone on the gas cap gasket and reset the message. It worked for me


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