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Infiniti I30 Rough Idle

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

What are common reasons my Infiniti I30 has a rough idle?

While there are a variety of reasons your Infiniti I30 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 Infiniti I30 Questions

See what others are asking about their Infiniti I30. Get answers from RepairPal's community of auto experts and enthusiasts.
Most of the time fires right up, runs smooth for 20 seconds, then would tend to die if I don't nursemaid the throttle...
idles rough when first start and sometimes dies. Car revs up when let off the gas, such as turning corners or coastin...

Related Infiniti I30 Problems

Find the most common driver-reported problems that are to blame when a Infiniti I30 has a rough idle.
The mass air flow (MAF) sensor may fail, resulting in drivability issues and/or illumination of the Check Engine Light.
Infiniti I30 Repairs and Prices
All costs based on RepairPal Fair Price Estimate™ averages. Actual prices may change depending on final diagnosis.

Infiniti I30 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