Close

Mercury Monterey Rough Idle

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

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

While there are a variety of reasons your Mercury Monterey 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 Mercury issue diagnosed by a professional

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

Related Mercury Monterey Questions

See what others are asking about their Mercury Monterey. Get answers from RepairPal's community of auto experts and enthusiasts.
Our van has been running rough and misfiring for about a week. we have had the spark plugs and wires replaced as wel...
The problem started out with the following errors! 1. crankshaft position sensor fault, 2. misfire detected cylinders...

Mercury Monterey 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