2017-10-10
Check and replace any damaged or worn ignition control module or ignition coil.
Inspect and repair any loose or corroded electrical connections in the ignition control circuit.
Verify and fix any damaged or faulty wiring or harness in the ignition control signal circuit.
Test and replace the engine control module (ECM) if all other possible causes have been ruled out.
Faulty ignition coil
Malfunctioning ignition control module
Damaged or loose ignition control circuit wiring
Defective ignition control module power relay
Faulty ignition control module ground connection
Engine misfires or runs rough
Poor fuel efficiency
Difficulty starting the engine
Engine stalls or shuts off unexpectedly
Decreased engine performance or power