Why does my Jeep Cherokee have a check engine light?
While a majority of the time, the flashing check engine light is going to be caused by a misfire related to your Cherokee’s ignition system or fuel system (as stated above), there are other issues that can cause it. Your timing chain could have jumped .
What does a flashing check engine light mean?
A flashing check engine light is your Jeep Cherokee’s way of saying “I have a serious problem, don’t ignore me”. Most of the time, that serious problem is a misfire. This flashing light should not be ignored. When your engine is misfiring, it is dumping raw fuel into the exhaust.
Where to find check engine light codes on Jeep?
These are listed in numerical order for easy searching. When retrieving Jeep check engine light codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link connector (DLC) located near the steering column. The connector may have a removable cover. 2. Turn the ignition on. 3.
What to do if your check engine light is not working?
Try removing a sensor harness and see if the light comes on. If it does, then the system is working. If it does not, then check the computer for codes for the sensor you unplugged. If there is a code, and the MIL indicator says ON, then the light is burned out.
What does the Check Engine light on a Jeep Grand Cherokee mean?
Once a Jeep Grand Cherokee’s check engine light illuminates, it means the On-Board Diagnostic system has repeatedly detected an engine malfunction.
How to check for diagnostic trouble codes on a Jeep Grand Cherokee?
If you own a 1999-2010 Jeep Grand Cherokee, and your ‘Check Engine’ light is on, you can easily check for Diagnostic Trouble Codes (DTC’s) without a scanner using just a simple key sequence. Steps. Get into your vehicle and make sure the hood, rear tailgate, and all doors on your vehicle are shut.
Why does my Jeep Cherokee have low oil?
Dealership claims low oil between oil changes, we have the oil changed regularly at the dealership and do not exceed the recommended mileage between changes. This has occurred on main roads during times of high traffic and has put my family in danger on several occasions.
What makes the Check Engine light come on?
The shift gears message pops up, it cut the traction control automatically off so that light pops up. The check engine light and battery light pops up. I dont know whats happening but it almost caused an accdident twice on 695 highway because it shut off. Thank god the kids were not with me at the time.
What can I do to clear check engine light?
A “hard reset” is another option. This involves disconnecting the battery and draining all power from the car’s electrical system by running the lights. This deprives the OBD system of current, erasing its memory.
What causes a Jeep Cherokee engine to misfire?
Keeping in mind that any engine needs air, fuel, and spark for ignition, your Jeep Cherokee’s fuel system can often cause the engine to misfire. It can run too lean or rich. Alternatively, there may not be enough fuel for proper combustion, or the fuel isn’t atomizing properly.
Where is the Check Engine light on a Jeep Grand Cherokee?
In Jeep Grand Cherokees, the port is usually found under the steering wheel, near the driver’s side door. After reading the code and diagnosing and fixing the problem, the user can select an option on the scanner to clear all diagnostic codes, which should reset the check engine light.
What to do if your check engine light is on?
The video above shows how to locate the on board diagnostics (OBD) plug on your 2015 Cherokee, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your Cherokee.
What is the code for the Jeep Grand Cherokee?
For instance, code 41 will be represented by four flashes, a pause, and then one pause. Look up the Chrysler’s flash codes online (See References). Since the Grand Cherokee’s diagnostic system predates Environmental Protection Agency standardization, other manufacturer’s codes will not help.
Where is the diagnostic outlet on a Jeep Grand Cherokee?
Open the driver’s side door and plug your OBD-II scanner’s cable into the Grand Cherokee’s diagnostic outlet. This Data Link Connection will be located on the driver’s sidde of the Jeep, beneath the steering wheel, somewhere between the left kick a panel and the gas pedal.