Pontiac Sunbird Rough Idle

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

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

While there are a variety of reasons your Pontiac Sunbird 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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Engine will not restart unless you put accelerator to the floor. acts like it is flooded. after start it idles rough ...
1990 pontiac sunbird 2.0 naturally aspirated, 2 door convertible, carbureted, automatic, 206k. (prom, ecm work no ch...

Related Pontiac Sunbird Problems

Find the most common driver-reported problems that are to blame when a Pontiac Sunbird has a rough idle.
One or more of the fuel injectors may short out electrically causing a rough idle condition.

Pontiac Sunbird 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
When spark plugs fail, the engine will struggle. The check engine light will come on, and it may appear either solid or flashing. The driver would likely notice one or more of t...Read More