What does it mean when injector circuit is open?
The electrical circuit is “open” and not closed, meaning that the electrons will not flow, and be due to an injector coil itself being broken. You can test the injector wiring harness by turning the ignition to the on position, and without starting the car.
What causes an open circuit on a fuel injector?
It could be, a poor connection or wiring problem at or to the #3 fuel injector. There is a noid light available that plugs into the connector, to check for proper signal while cranking. It could be, the #3 fuel injector coil is open. It could be, the injector driver has failed in the ECM.
How do you fix an injector on a open cylinder 3?
Possible fixes include:
- Replacement of the Cylinder 3 Fuel Injector.
- Repair or replacement of any wiring issues (damaged or broken wires)
- Fixing poor connections.
- Replacement of the PCM.
What does code po203 mean?
The P0203 is a diagnostic trouble code that is set when the engine control module (ECM) has detected a fault in the injector circuit for cylinder 3.
Is there an open circuit code on the fuel injector?
Hi there. From the description you have provided, your vehicle has an open circuit code on the #3 fuel injector, is going to require circuit testing. The fuel injector (s) are controlled by the injector driver (s) in the ECM (engine control module).
What is the diagnostic code for cylinder number 3 injector?
P0268 is a diagnostic trouble code (DTC) for “Cylinder number 3 Injector Circuit High”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.
What causes a number 3 injector to short out?
The number three injector is shorted electrically internally causing the circuit high current condition. The fuel injector pins are bent or broken in the injector or harness connection causing a short to power or ground. The injector wiring is shorted to power or ground (this may also short out components).
Why is my cylin 3 fuel injector open?
Battery voltage is supplied to all of the fuel injectors and the ground side is controlled by the ECM. It could be, a poor connection or wiring problem at or to the #3 fuel injector. There is a noid light available that plugs into the connector, to check for proper signal while cranking. It could be, the #3 fuel injector coil is open.