Vehicle Repair Guides

Even a loose gas cap will cause a check engine light to illuminate. Connect scan tool to the 16 pin data link connector dlc located near the steering column.

Check Engine Light Easy Self Diagnosis Youtube

The only way to know for sure is to connect the obd ii connector to a scan tool and read the problem codes.

2005 jeep grand cherokee check engine light. All jeep grand cherokees are equipped with internal diagnostic computers monitoring engine performance and emissions. There are ways to troubleshoot the system and that involves examining the fault codes. A check engine light can indicate a broad spectrum of problems with your 2005 jeep grand cherokee.

The systems are quite sensitize. Most of the time that serious problem is a misfire. Insert and turn the ignition key from off to on three times moderately fast and without pausing on is when the digital odometer displays.

When retrieving jeep check engine light codes with an obd ii scan tool proceed as follows. 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. Retrieving codes 2005 2010 grand cherokee.

A cel could come on for a variety of reasons. A problem has to repeat itself several times before the grand cherokee s on board diagnostic system will give it a fault status. Use the count to 5 method where 1 is the first on.

This flashing light should not be ignored. Luckily turning getting the light to turn off is fairly easy. Off on off on off on 0 1 2 3 4 5.

When your engine is misfiring it is dumping raw fuel into the exhaust. A flashing check engine light is your jeep grand cherokee s way of saying i have a serious problem don t ignore me. A malfunction within the system will illuminate a check engine light.

Average repair cost is 3 600 at 76 850 miles. Car complaints car problems and defect information. Once a jeep grand cherokee s check engine light illuminates it means the on board diagnostic system has repeatedly detected an engine malfunction.

0 insert key off. The connector may have a removable cover. The 2005 jeep grand cherokee has 2 problems reported for engine light on.

Misfiring bad oxygen sensors loose gas cap low efficiency of the catalytic converter.