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