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Home >> Dodge and Ram >> 2021 >> ProMaster City Base >> Repair and Diagnosis >> Engine Performance >> Ignition System (Service Information) >> Description And Operation >> Description

Description And Operation: Description

NOTE:

This engine uses a fixed ignition timing system. Basic ignition timing is not adjustable. All spark advance is determined by the Powertrain Control Module (PCM).

The ignition system is referred to as coil on plug. The system's five main components are the ignition coils, spark plugs, camshaft position sensor, crankshaft position sensor. Refer to SENSOR, CAMSHAFT POSITION, DESCRIPTION AND OPERATION . and knock sensor. Refer to SENSOR, KNOCK, DESCRIPTION AND OPERATION . The coil on plug ignition system utilizes an ignition coil for every cylinder. The ignition coils are mounted directly over each spark plug.