Chevrolet Caprice Rough Idle

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

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

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

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

Find the most common driver-reported problems that are to blame when a Chevrolet Caprice has a rough idle.
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Chevrolet Caprice Repairs and Prices
All costs based on RepairPal Fair Price Estimate™ averages. Actual prices may change depending on final diagnosis.

Chevrolet Caprice 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