Engine Misfire Symptoms: What to Look For

Engine Misfire Symptoms: What to Look For

If you’ve ever felt your car shudder, lose power unexpectedly, or idle like it’s about to stall, you may be dealing with a classic—and potentially serious—automotive issue: an engine misfire. As an ASE-certified master technician with over 15 years of hands-on experience diagnosing everything from weekend project cars to daily commuters, I’ve seen misfires cause … Read more

How to Diagnose Engine Misfires: Complete Guide

How to Diagnose Engine Misfires: Complete Guide

Quick Answer: What’s the fastest way to diagnose an engine misfire? Start with a scan tool to pull codes (P0300–P030x). Then swap coils or plugs between cylinders and see if the misfire follows. 90% of random misfires are ignition-related; 8% are fuel; 2% are mechanical. It Started on a Freezing January Morning It was 7:42 … Read more