Spirit try getting the code pulled if you can. But an o2 sensor code will surely show up in a diagnostic test.

Troubleshooting Jeep Check Engine Light Youcanic

I started my 2012 jeep patriot up yesterday morning and the check engine light was on.

Jeep patriot check engine light no code. A check engine light can indicate a broad spectrum of problems with your 2012 jeep patriot. Now i have 32950 on my miles and just had the service done on the jeep new plugs and a such done is there a. I did the turn on and off rapidly to pull up the codes and go then done so no codes in system.

Re seating the gas cap is usually the best thing to try first but it may take a few key on run off cycles to turn the light off. A failing oxygen sensor also known as an o2 sensor is one of the most common reasons for that jeep check engine light to come on. Most frequently the software errors stem from a low level obd reader being used.

In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. One main reason that a check engine light comes on with no code being stored is that there is a software error. And the tricky thing with the o2 sensor is that the car will continue to drive well so you might want to dismiss the light.

And you ll want to address this. This is often the result of something being wrong with the obd reader that the driver parts store or mechanic shop is using. Most autoparts stores can do this for free.