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Why is my engine light on in my Jeep Liberty?
The check engine light for the Jeep Liberty means that the on-board diagnostics or the OBD detected a problem with the engine, emission system or the transmission though it is less common for it to be the transmission.
What does it mean when the engine light comes on in a Jeep?
If the check engine light in your Jeep Wrangler starts flashing, that means that the problem needs immediate attention and your Jeep should be brought in hastily. This blinking light usually indicates a severe engine misfire allowing unburned fuel to be dumped into the exhaust system.
How do you reset the check engine light on a 2003 Jeep Liberty?
Turn the key in the ignition to the “on” and then the “off” position three times in succession and try starting the engine. Disconnect the positive battery cable for 15-20 minutes. Reconnect and repeat the previous “on” and “off” steps outlined above.
What does it mean when check engine light comes on while driving?
The check engine light — more formally known as the malfunction indicator lamp — is a signal from the car’s engine computer that something is wrong. If the light begins flashing, however, it indicates a more serious problem, such as a misfire that can quickly overheat the catalytic converter.
How do you reset the code on a 2003 Jeep Liberty?
How to Clear Engine Codes for a Jeep Liberty
- Open the driver’s side door of the Jeep Liberty and locate the diagnostic link connector (DLC) under the dash.
- Plug the pocket scanner into the DLC and then turn the ignition key to the accessory position.
- Read the onscreen menu of the scanner.
- Choose “Erase” as an option.
What causes a flashing check engine light on a Jeep Liberty?
While a majority of the time, the flashing check engine light is going to be caused by a misfire related to your Liberty’s ignition system or fuel system (as stated above), there are other issues that can cause it. Your timing chain could have jumped . If you have VVT, it may be having issues.
Why does my Jeep Liberty not start up?
Crank/Cam Sensor- When the cam or crank sensors are not being read by the ECM/PCM, it’s impossible to get the ignition timing right. If you Liberty does start at all, it’ll run rough. It could be a more serious mechanical issue, such as as bent valve, bad lifter, etc….
Why is my catalytic converter not working in my Jeep?
If the wire is faulty, then the fuel and air mixture in its respective cylinder can’t ignite. This causes the rough idling. So even though your Jeep may still be running with a faulty wire, long-term use of it could cause serious damage to your catalytic converter. 4. Catalytic Converter