Close

Infiniti QX4 Rough Idle

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

What are common reasons my Infiniti QX4 has a rough idle?

While there are a variety of reasons your Infiniti QX4 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

Get your Infiniti issue diagnosed by a professional

Find a high quality auto repair shop or dealer near you
x

Related Infiniti QX4 Questions

See what others are asking about their Infiniti QX4. Get answers from RepairPal's community of auto experts and enthusiasts.
I own an1998 infiniti qx4 .car works great but lately when i stop at a light it will idle rough then normal also some...
My car ran great before the water pump & timing belt was installed. it still runs good, but when you first start...
Infiniti QX4 Repairs and Prices
All costs based on RepairPal Fair Price Estimate™ averages. Actual prices may change depending on final diagnosis.

Infiniti QX4 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