Question about 2002 Jeep Liberty
2002 Jeep Liberty Sport 3.7L V6 - A couple of days ago the jeep just died. When it turns over you have to push on the gas to get it going. If the RPMs drop below 3,000, it dies. Now, trying to start it that same way...the engine started knocking and now makes a bad grinding sound....what the fish? Any ideas? The oil was changed 2 months ago and we just filled the gas tank at Albertsons...then about two hours later, it pooped out.
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Posted on Jan 02, 2017
Check fuel pump for pressure and output. If it's not that, don't start guessing... have a scanner put on it and get some codes. While some codes can be ambiguous, it will serve to start you in the right direction!
Posted on Jan 18, 2009
check the fuel pump fuse/relay, could be just bad enough to cause an intermittent start/no start. and check fuel pressure,spark and the crank position sensor.
Posted on May 27, 2009
Buy some Marvel Mystery oil from Auto Zone and add it to you engine oil. Keep an eye on your engine oil level everyday with the Marvel in there and change the engine oil every 3000 miles. Hope the Marvel will clean out the lifters for you and the rest of the sludge in the engine. Do Not Use Engine Flush!!!! There know to eat the seals and kill engine sensors.
The EGR could also be stuck with carbon build up and may need to be cleaned or replaced. Try doing this, turn your radio off and disconnect the battery for a min, turn the ignition key to the run position and re connect the battery then start the liberty. That should reset the air idle control valve.
Let it idle down and then go for a test drive after it warms up. Good luck and keep me posted, while your at Auto Zone have them scan your liberty for any DTC codes. Be glad to help.
Posted on May 31, 2009
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