2008 Jeep Liberty Gas Cap Check Engine Light

I have a 06 jeep liberty that indicated gascap and check engine on the dash.

2008 jeep liberty gas cap check engine light.

Taking these two measures will save you the expense of running a diagnostic on your jeep. If you notice your check engine light turned on immediately after filling your tank pull over and check first to see if the cap is loose. You can either tighten the cap and wait for the system to reset itself when it determines the problem is fixed or you can use an obd ii code scanner to manually reset the system. If so simply tighten it.

I have a 2007 jeep liberty on which the check engine light stays on. Had 300 worth of work done. Apr 12 2014 2008 jeep liberty. This video goes trough few things you should do before replacing the gas cap on your vehicle.

Gas cap ok emission seems ok moved injectors and coils around still came back on code po304. If your gas cap is not sealing you will get check engine light because of low pressure. Car ru read more. The engine light came back on after a day or read more.

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. If that doesn t do the trick then buy a replacement gas cap at an auto parts store. Make sure you turn the cap until it clicks if you still have the issue after that replace the gas cap. I replaced the gas cap with one from autozone and cleared the engine light.