Check engine light flashing car shaking is a clear sign of trouble. A flashing check engine light is your jeep grand cherokee s way of saying i have a serious problem don t ignore me.

Jeep Grand Cherokee 1999 2004 How To Reset Check Engine Light Cherokeeforum

My 2005 jeep cherokee laredo has a check engine light flashing at least once a week and the goes off.

Jeep grand cherokee check engine light flashing. That s what the flashing check engine light means. If the light is flashing it means you re supposed to stop driving the vehicle and have it towed as there is a more serious malfunction occurring as to what it could be there are so many possibilities that i m not going to begin to guess. I have brought it to the shop numerous time and there are no codes stored.

Vibration or shaking may be caused by misfires poor fuel pressure or faulty spark plugs. Most of the time that serious problem is a misfire. This may cause the motor to vibrate or shake abnormally.

When your engine is misfiring it is dumping raw fuel into the exhaust. Check for codes to see where to go from here if u keep driving it with misfires it will plug up the catalytic. There are ways to troubleshoot the system and that involves examining the fault codes.

Once a jeep grand cherokee s check engine light illuminates it means the on board diagnostic system has repeatedly detected an engine malfunction. Most of the time that serious problem is a misfire. You should also know that a defective idle air control valve might make the engine idle drop significantly.

A problem has to repeat itself several times before the grand cherokee s on board diagnostic system will give it a fault status. When your engine is misfiring it is dumping raw fuel into the exhaust. This flashing light should not be ignored.

May 9 2019 by jason. This flashing light should not be ignored. Ur misfires could be due to dirty throttle body low fuel pressure bad injectors among other things.

A flashing check engine light is your jeep cherokee s way of saying i have a serious problem don t ignore me. During the flashing the engine is sputtering and sounding as if it will stall and there is a definite loss of power.