I put new fuel injection system in. The check engine light came on and it started doing a few other things it started to idle weird.

What Check Engine Light Means Farrish Chrysler Jeep Dodge Ram Of Fairfax Va

2004 jeep grand cherokee engine light.

2004 jeep grand cherokee check engine light. It does not do this if we are in drive with our foot on the break only in park. I ran a diagnostic code which showed evaporative emission control system small leak. When we are parked the car revs up alot then it will go down and go back up right away.

How much is it to have my check engine light diagnosed you should expect to pay 1 2 hours of diagnosis time in your area i would say about 75 00. Your timing chain could have jumped. Even a loose gas cap will cause a check engine light to illuminate.

This article applies to the jeep grand cherokee wj 1999 2004. Engine light 2004 jeep grand cherokee how much would it cost to get the check engline lite reparied. I have a 2004 jeep grand cherokee 4 7 v8.

The systems are quite sensitize. Connect scan tool to the 16 pin data link connector dlc located near the steering column. Tpgrampy in dayton oh on.

The check engine light cel doesn t give you much information but the five most common reasons why the light comes on in most vehicles include a faulty oxygen sensor loose or faulty gas cap faulty catalytic converter faulty mass airflow sensor or failing spark plugs and or wires. If your check engine light is flashing stop driving your grand cherokee and have it towed to your nearest mechanic you probably have a very serious problem with your car and you risk ruining your engine by driving it. Light still on replaced all 4 o2 sensors light came back on replaced the smart sensor that blew the one that s not suppoesed to blow light came back.

Luckily turning getting the light to turn off is fairly easy. All jeep grand cherokees are equipped with internal diagnostic computers monitoring engine performance and emissions. Once a jeep grand cherokee s check engine light illuminates it means the on board diagnostic system has repeatedly detected an engine malfunction.

Since the engine light came on i replaced the gas cap with a new one. A malfunction within the system will illuminate a check engine light. Flashing check engine light.

When retrieving jeep check engine light codes with an obd ii scan tool proceed as follows. If you have vvt it may be having issues. There are ways to troubleshoot the system and that involves examining the fault codes.

My check engine light came on in my 2004 jeep grand cherokee 4 0 i6. Running a diagnostic will give you more information about why the light is on. Electrical problem 2004 jeep cherokee 6 cyl four wheel drive automatic 122 miles my check engine light came on.

The connector may have a removable cover. A problem has to repeat itself several times before the grand cherokee s on board diagnostic system will give it a fault status. Recently prior to the engine light i have replaced the spark plugs the pc valve and the oil.

While a majority of the time the flashing check engine light is going to be caused by a misfire related to your grand cherokee s ignition system or fuel system as stated above there are other issues that can cause it.