2017-10-10
Hard starting or extended cranking time during cold starts
Rough idling or stalling during cold starts
Decreased engine performance or power during cold starts
Check Engine Light (CEL) illuminated
Faulty cold start injector
Open or short circuit in the cold start injector control circuit
Faulty engine control module (ECM)
Cold Start Fuel Injector: In cold starts, the Cold Start Fuel injectors supplies the engine with additional fuel to enrich the fuel mixture and prevent hard starting. Problems lead to engine misfire & engine stalling
Test and replace the faulty cold start injector, if necessary
Check for any open or short circuits in the cold start injector control circuit and repair as needed
Test and replace the engine control module (ECM) if it is determined to be faulty