Chevrolet Cavalier Rough Idle

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

What are common reasons my Chevrolet Cavalier has a rough idle?

While there are a variety of reasons your Chevrolet Cavalier 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 Chevrolet Cavalier Questions

See what others are asking about their Chevrolet Cavalier. Get answers from RepairPal's community of auto experts and enthusiasts.
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Related Chevrolet Cavalier Problems

Find the most common driver-reported problems that are to blame when a Chevrolet Cavalier has a rough idle.
One or more of the fuel injectors may short out electrically causing a rough idle condition.
The engine vacuum hose to the map sensor may crack resulting in a vacuum leak causing the engine to run rough and/or ...
Chevrolet Cavalier Repairs and Prices
All costs based on RepairPal Fair Price Estimate™ averages. Actual prices may change depending on final diagnosis.

Chevrolet Cavalier Rough Idle Repair Symptoms

A failing ignition coil will create misfires in the engine, and lead to hesitation, extreme power loss, engine stalling, poor fuel mileage, and illumination of the check engine ...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