Mitsubishi Galant Rough Idle
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What are common reasons my Mitsubishi Galant has a rough idle?
While there are a variety of reasons your Mitsubishi Galant 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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Related Mitsubishi Galant Questions
See what others are asking about their Mitsubishi Galant. Get answers from RepairPal's community of auto experts and enthusiasts.
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Related Mitsubishi Galant Problems
Find the most common driver-reported problems that are to blame when a Mitsubishi Galant has a rough idle.
The engine may develop a low idle or stalling condition due to a failed idle air control valve. our technicians tell ...
The crankshaft position sensor may fail causing a no start and/or stalling condition. replacement of the failed senso...
Mitsubishi Galant Repairs and Prices
Mitsubishi Galant
Ignition Coil Replacement
$257 - $292
Mitsubishi Galant
Spark Plug Replacement
$90 - $119
All costs based on RepairPal Fair Price Estimate™ averages. Actual prices may change depending on final diagnosis.
Mitsubishi Galant 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
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