Can obd1 detect misfire?
Can obd1 detect misfire? OBD2 EFI systems: (1996 and newer cars in the USA ! the ECU can detect misfire and report it.) The scan tool you can see the advance hit 40 degree's racing the motor fast parked. See that here. On 1996+ cars, the CEL may flash every 2 seconds, warning of Misfire damage to CAT. How does the PCM activate the COP Coil? The PCM (Powertrain Control Module = Fuel Injection Computer) gets the crankshaft position signal from the crank sensor. The PCM now activates each COP ignition coil. This activation (of the COP coil) is done...