how to identify a misfiring cylinder
Engine Fault Codes Hide 3 Misfire Surprises Most DIYers Miss
The real problem behind a P0300 ‘random misfire’ code is often a single cylinder, and you can locate it instantly with per-cylinder misfire counters, fuel-trim readings, and a quick exhaust-temperature check. Why Generic Engine Fault Codes Sabotage Your Diagnostics In 2024, 40% of DIYers replace spark plugs after a random