symptoms of weak ignition
No start condition. Another common symptom of a bad or failing ignition pickup is a vehicle that does not start. If the ignition pickup fails, it will not provide the signal necessary for the vehicleâs ignition system to operate, and as a result the engine will not start or run.
Quick Answer. Symptoms of a bad ignition module are sudden engine stalling or power loss while the car is in motion, engine stuttering accompanied by a smell of gasoline and an inability to restart the engine following a stall. Decreased gas mileage is also a sign of a compromised ignition module.