P0204
Cylinder 4 Injector A Circuit
P0204 is an OBD-II diagnostic trouble code meaning: Cylinder 4 Injector A Circuit. Common causes: open or short circuit in the injector circuit, cylinder 4 injector malfunction. Estimated repair cost: $22–111.
Symptoms
- Misfire in cylinder 4
- Reduced engine power
- Unstable idling
- Increased fuel consumption
Causes
- Open or short circuit in the injector circuit
- Cylinder 4 injector malfunction
- Wiring Harness Problems
- Engine control unit (ECU) malfunction
How to Fix
- Check the integrity of the wires in the injector circuit
- Check injector resistance
- Check the voltage at the injector connector
- Replace the injector if necessary
- Check and replace wiring harness if necessary
- Check engine control unit (ECU)
Related codes
Error P0204 by Vehicle Brand
FAQ
What does the P0204 code mean?
P0204 is an OBD-II diagnostic trouble code that indicates: Cylinder 4 Injector A Circuit
What causes a P0204 error code?
The most common causes of P0204 include: Open or short circuit in the injector circuit; Cylinder 4 injector malfunction; Wiring Harness Problems; Engine control unit (ECU) malfunction.
How do I fix a P0204 diagnostic trouble code?
To fix P0204: Check the integrity of the wires in the injector circuit. Check injector resistance. Check the voltage at the injector connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0204?
Limited driving only, diagnose soon
How much does it cost to fix P0204?
The estimated repair cost for P0204 is $22–111. Actual cost depends on your vehicle, location, and labor rates.
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