Posts Tagged: Misfire Monitor — Readiness Monitor for Misfires

Misfire Monitor — I/M Readiness Monitor

Misfire Monitor — Readiness Monitor for Misfires In short, the I/M Readiness Misfire Monitor is a continuous monitor that is always checking for r engine misfires. How misfires are detected The misfire monitor detects misfires in two ways. In vehicles equipped with smart ignition coils, the COP coil itself reports a misfire to the ECM. In other vehicles, the misfire monitor tracks the crankshaft position sensor to detect a slowdown in crankshaft rotation that indicates a cylinder didn’t fire or “contribute” power. Engine RPM isn’t constant; instead it’s a series … Read More