Posts Tagged: fix a misfire

How to Fix a Misfire: Step-by-Step Diagnosis Guide

What Causes an Engine Misfire? Quick Summary Most engine misfires are caused by worn spark plugs, failing ignition coils, vacuum leaks, fuel injector problems, or low compression. Diagnosing the problem in the correct order saves both time and money while preventing costly damage to the catalytic converter. The most common causes of engine misfires include: Few engine problems make drivers nervous faster than a rough-running engine. When a vehicle shakes at idle, hesitates under acceleration, or flashes the check engine light, it’s almost always trying to tell you something important. … Read More