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An auto dealer just did a routine oil change on my Jeep Liberty and 2 days later the car died on me completely while driving. No dummy lights came on to warn me of a problem. It wouldn't restart so I had it towed. The service dept. now says they found antifreeze in the oil. How can this happen?
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Lack of oil from the sound of it ,When checking the auto oil level start engine put handbrake on hard ,couple of bricks behind the drive wheels then drop into reverse ,now check the oil level on the autobox dipstick .If a modern vehicle with no dip stick then dealer only job to check the level
recheck the oil on the dip stick. look for any leaks that you were not aware of. make sure your car is on level ground when you check the oil and mwke sure the oil is warm before you also make sure the engine is off this will give you true reading and the oil will settle when is warm
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.
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!
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