Jeep wrangler gas cap check engine light

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Jeep wrangler gas cap check engine light

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. I have reset this about 5 times now and it keeps coming on. So here is what I did. First it wasn't saying gas cap it was just a check engine light. I read it with the flashpaq and it had a small evape leak code. I immediately checked the gas cap and it did feel a little loose. I tighten it and cleared the code.

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Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. I bought a JK a couple months ago and within a couple weeks I got what I've come to learn is the dreaded GasCap notification with the check engine light throwing an evap error code. I read through the forums and found multiple posts with multiple things to try. They smoke tested it and couldn't find a leak, then figured out there was an "ESIM switch that was not changing states". They replaced the switch cleared the code, threw on a new gas cap just for shits and giggles and sent me on my way. I'll just type in their description of how they found and diagnosed the problem in the hopes that it helps somebody else down the road.

Jeep wrangler gas cap check engine light

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. When it comes on I remove the fuel cap and put it back with several clicks and the light goes off after several run cycles. Wondering if the gas cap is defective.

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Explore Our Forums. You must realize the need to get it checked so the right problem can be sorted and any expensive parts can be protected from damage. The catalytic convertor of your Jeep is responsible for converting the carbon monoxide created by the combustion process to carbon dioxide. This is why it is best to check right away when the light comes on. Insert Quotes Quotes Post Reply. Clutch Auto Deals Replies. Thank you all for the help. Thank you. Ghstrydr JK Enthusiast. Thanks to demarpaint for the idea to grease the gasket.. If you have a consistently flashing Check Engine Light, it indicates a major issue requiring immediate attention.

The Jeep Wrangler, an iconic symbol of off-road freedom, has never been one to shy away from adventure. In this article, we guide you through the possible causes triggering the check engine light in the Jeep Wrangler. The check engine light illuminates in Jeep Wrangler when the on-board diagnostic system detects a problem with the engine or emissions system.

I drove about miles without a cap didn't notice until I refueled and never got a light. It all depends on Year Make and Model as far as warranty coverage policy. My evap canister was replaced on the first time I brought it to the dealer but the Mil light was on again in about 50 miles. You must assure that the threads seal properly. Search Advanced search…. The vacuum hoses are susceptible to cracking on exposure to extreme heat. This means that there could be grime on the edges of your gas cap, preventing it from sitting flush in its holder. For a better experience, please enable JavaScript in your browser before proceeding. Find More Posts by snytribe. I'll check again tomorrow when it's light out. Maybe they can help there. This can contribute to this error code. Yawnie'sPapa Replies. It is important that no air escapes.