DTC 1-3-5 Injector 3

1-3-5 INJECTOR 3

Preconditions for DTCs
^ If an injector circuit is short circuited to ground/voltage or if there is a break in the circuit, the ECM interprets this as a fault and sets the DTC for the relevant injector.

Substitute values
^ Idle air trim inhibited.
^ Fuel trim inhibited.

Fault sources
^ Signal too high:
- Signal lead short circuited to voltage.
- Defective injector.

^ Signal too low:
- Signal lead short circuited to ground.
- Break in signal or voltage lead.
- Contact resistance in connections.
- Defective injector.

Fault symptom
^ The engine does not fire on all cylinders. Sometimes, the engine does not start up.