Close

Mazda B4000 Rough Idle

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

What are common reasons my Mazda B4000 has a rough idle?

While there are a variety of reasons your Mazda B4000 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 Mazda issue diagnosed by a professional

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

Related Mazda B4000 Questions

See what others are asking about their Mazda B4000. Get answers from RepairPal's community of auto experts and enthusiasts.
94 mazda b-4000 misfires at idle have changed egr - o2 sensor - plugs wires coil pack all have given more power yet ...
99 mazda b4000 has a rough idle in drive, battery drains within hours. tested alternator it's good n put brand new ba...

Related Mazda B4000 Problems

Find the most common driver-reported problems that are to blame when a Mazda B4000 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 dirty, or contaminated mass airflow sensor (maf) can cause the engine to run poorly. the check engine light may or ...

Mazda B4000 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