Close

Pontiac G6 Rough Idle

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

What are common reasons my Pontiac G6 has a rough idle?

While there are a variety of reasons your Pontiac G6 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 Pontiac issue diagnosed by a professional

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

Related Pontiac G6 Questions

See what others are asking about their Pontiac G6. Get answers from RepairPal's community of auto experts and enthusiasts.
Scanned and came up with p0300 and p0404.performed in line spark test and replaced coil pack with no change.egr valve...

Related Pontiac G6 Problems

Find the most common driver-reported problems that are to blame when a Pontiac G6 has a rough idle.
Vehicles with certain v6 engines may illuminate the check engine light one or more of the following codes: p0011, p00...
Pontiac G6 Repairs and Prices
All costs based on RepairPal Fair Price Estimate™ averages. Actual prices may change depending on final diagnosis.

Pontiac G6 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