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Mercury Tracer Rough Idle

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

What are common reasons my Mercury Tracer has a rough idle?

While there are a variety of reasons your Mercury Tracer 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 Mercury Tracer Questions

See what others are asking about their Mercury Tracer. Get answers from RepairPal's community of auto experts and enthusiasts.
Whenever we turn on the a/c , it idles rough
Occurs constantly, we have to hold accelerator down to keep rpms around 1000-1200 when stopped.

Related Mercury Tracer Problems

Find the most common driver-reported problems that are to blame when a Mercury Tracer has a rough idle.
Valve seats (components in the cylinder head that help seal the valve) can fall out. when this happens, it causes rou...

Mercury Tracer 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