Mazda B2500 Rough Idle

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

What are common reasons my Mazda B2500 has a rough idle?

While there are a variety of reasons your Mazda B2500 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

Get your Mazda issue diagnosed by a professional

Find a high quality auto repair shop or dealer near you

Related Mazda B2500 Questions

See what others are asking about their Mazda B2500. Get answers from RepairPal's community of auto experts and enthusiasts.
Platinum plugs and air filter still missing

Related Mazda B2500 Problems

Find the most common driver-reported problems that are to blame when a Mazda B2500 has a rough idle.
Water intrusion into a connector (x309) located under the cab, beneath the driver's seat, can cause a rough idle, er...
A high idle speed can be caused by a poor connection at the throttle position sensor (tps). connector replacement kit...

Mazda B2500 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