The Best 2014 Jeep Grand Cherokee Check Engine Light Problems 2023. We replaced the coil and the problem was fixed. Web bad egr valve the exhaust gas recirculation (egr) valve is a vital part of the emissions system in your jeep.
Web i tried to reset the check engine light by turning on the ignition and depressing the accelerator three times (as i read on another forum). Spark plugs are new and look in good condition. Some store will only read, not clear codes.
