Jeep Liberty Rough Idle

Learn if it's a simple fix or time to seek out a trusted technician.

What are common reasons my Jeep Liberty has a rough idle?

While there are a variety of reasons your Jeep Liberty has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil.
of the time it's
Vacuum Leak
of the time it's
Spark Plugs
of the time it's
Ignition Coil

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Related Jeep Liberty Questions

See what others are asking about their Jeep Liberty. Get answers from RepairPal's community of auto experts and enthusiasts.
Check engine light retuns a(#3miss fire)code.have you ever seen this before and if so what was the prognosis?
Rough idle is in quotes because this vehicle will not idle at all on it's own. i have to maintain approx 2 to 2.5 tho...

Related Jeep Liberty Problems

Find the most common driver-reported problems that are to blame when a Jeep Liberty has a rough idle.
An engine misfire at idle (rough idle), accompanied by illumination or flashing of the check engine light, could indi...
The check engine light may illuminate with code on or more of the following codes: p2302, p2305, p2308, p2311, p2314,...
Jeep Liberty Repairs and Prices
All costs based on RepairPal Fair Price Estimate™ averages. Actual prices may change depending on final diagnosis.

Jeep Liberty Rough Idle Repair Symptoms

A failing ignition coil can create several symptoms: Check engine light comes on Engine runs poorly or stall Increased emissions Reduced fuel economy Car won’t start I...Read More
As we discussed, spark plugs are necessary for any gasoline engine to run. When they fail, the engine is in a constant state of attempting to ignite air and fuel, but cannot. Th...Read More