Check Engine Light on a 2002 Jeep Liberty?

My jeep is due, actually a little overdue, for an oil change. The check engine light came on yesterday. I checked the oil and it was low. I added a quart for now. I am going in for an oil change today. The O ring around the oil cap is all cracked and dried out and does not... Read More

  • The check engine lamp means one of the sensors or monitored circuits isn't functioning as it should. As it's a Jeep you can get the trouble codes that cause the check engine lamp to illuminate to display on the dash. Within five seconds, and without starting the engine, turn the ignition on-off-on-off-on. Leave the... Read More
  • the check engine light comes on when some sensors reads something wrong with the engine .. or when the sensor itself has a problem .. for example it may be oxygen sensors fitted on ur exhaust pipe .. or may be intake air temperature sensor .. may be a sensor is unplugged or it's wires are cut ...actually no eye... Read More
  • It could me various things. Don't be scared of analysis to figure out what's wrong with your car. Get it done and face the bill. Any car gives you problems it's just the cost of ownership.
  • Change the oil cap and while you're at it, check your gas cap. I've seen Check Engine lights appear due to bad gas caps!

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