Toyota Tercel Rough Idle

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

What are common reasons my Toyota Tercel has a rough idle?

While there are a variety of reasons your Toyota Tercel 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 Toyota issue diagnosed by a professional

Find a high quality auto repair shop or dealer near you

Related Toyota Tercel Questions

See what others are asking about their Toyota Tercel. Get answers from RepairPal's community of auto experts and enthusiasts.
i just took my car to get smog, it didn't pass the emission test. they said it fail because they hydrocarbons or (hc...
I could take fuse out and reinstall fuse it will stay off for a couple days then come back on. it still passes smog ...

Related Toyota Tercel Problems

Find the most common driver-reported problems that are to blame when a Toyota Tercel has a rough idle.
A rough idle and even an emissions inspection failure for high hc and co can be caused by improperly adjusted valves....
The toyota tercel has a known issue with the valves that if left unchecked, will cause burned valves and engine perfo...

Toyota Tercel 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