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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.
34%
of the time it's
Vacuum Leak
21%
of the time it's
Spark Plugs
15%
of the time it's
Ignition Coil

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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 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
When spark plugs fail, the engine will struggle. The check engine light will come on, and it may appear either solid or flashing. The driver would likely notice one or more of t...Read More