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HomeDiagnostics & TroubleshootingIdle Issues

Idle Issues

Successful rough engine idle troubleshooting requires looking at components like the Idle Air Control (IAC) valve and engine mounts. Whether your car idles too high, too low, or “hunts” for the right RPM, we have the solution.

Rough Idling Engine: What Does It Mean, How To Fix And Test It
Idle Issues

Rough Idling Engine: What Does It Mean, How To Fix And Test It

02/24/2025
So, a rough idling engine, is a common problem, of which the exact cause, can be difficult to find. Also, the reasons for a rough idling engine can vary. With some being cheap easy fixes, […]
Engine Misfire And Rough Idle When Cold
Idle Issues

Rough Engine Idle and Misfires When Cold: GM V8 Engines

11/21/2024
Rough Engine Idle and Misfires When Cold on GM 4.8L, 5.3L, 6.0L engines is common, and getting harder to diagnose. As, GM V8 engines are prone to a rough idle, and engine misfire when cold. […]
Showing High Engine Idle On Tach
Idle Issues

High Engine Idle: Causes, Diagnosis, and Solutions

11/01/2024
So, what can cause, abnormally high engine idle speeds. Dealing with idle issues, can be quite frustrating, until you identify the cause of the problem. Once you do that, figuring out the correct solution to […]
Feeling Rough Engine Idle On Steering Wheel
Idle Issues

Rough Engine Idle: Common Causes, With Possible Solutions

09/11/2024
Are you having a rough engine idle, possibly rising and falling (RPM), or difficulty maintaining a steady rate of rotation? If you are, that is not a normal operating condition. And, there can be a […]

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