Jeep Liberty recurring check engine light and rough idle due to defective engine with no fix available on Jeep Liberty

Submitted by matt6358 · Jun 23, 2025
Published by RepairPal

Problem overview

Some Jeep Liberty owners report experiencing recurring check engine lights and rough idling, which can be frustrating, especially when a defective engine seems to have no available fix. These issues can be triggered by various factors, including misfiring engines, oxygen sensor problems, and faulty components like spark plugs or ignition coils. Additionally, rough idling may stem from common problems such as vacuum leaks or ignition coil malfunctions. It is essential for owners to diagnose the specific cause of the check engine light before attempting to reset it, as misfires and loss of power may indicate underlying issues. If the check engine light persists, it is advisable to have the trouble codes read to identify the exact problem. Consulting a qualified mechanic or dealership specializing in Jeep vehicles may provide a more thorough diagnosis and potential solutions for these ongoing concerns.

2 people reported this problem
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Jeep Liberty vehicles with this problem

1 model year affected
Average mileage: 29,016 miles
(29,016 - 29,016)

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