The OBD code P0204 for a Jeep indicates an issue with Fuel Injector #4 circuit.
This affects the fuel injection system.
Symptoms include Engine Light ON, lack of power, hard starting, and engine hesitation.
The cause could be a faulty fuel injector, open/shorted harness, or poor electrical connection.
It’s a moderate issue.
To fix, inspect and repair any damaged components or wiring connections related to Fuel Injector #4.
Repair Importance Level | 10.0 (Out of 10) |
Estimated Repair Time | Approximately 1.0 hour |
Repair Difficulty Level | 10.0 (Out of 10) |
Symptoms of the Jeep p0204 OBD Code
The vehicle may experience a misfire or rough idle with fault code P0204 on a Jeep.
- With Jeep OBD code P0204, the Engine Light will be ON.
- Lack/Loss of Power may be experienced.
- The engine may be harder to start.
- Engine hesitation can occur.
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Causes of the Jeep p0204 OBD Code
Possible reasons for Jeep fault code P0204 include issues with the fuel injector circuit for cylinder 4.
- P0204 can be caused by a faulty fuel injector 4.
- A Fuel Injector 4 harness that is open or shorted.
- A Fuel Injector #4 circuit with a poor electrical connection.
Fixing Jeep Error Code p0204 Step By Step
Address the issue with fault code P0204 by inspecting and potentially replacing the injector circuit for cylinder 4.
- To fix the Jeep OBDII code P0204, start by reviewing the possible causes mentioned above.
- Visually examine the wiring harness and connectors related to the fuel injector circuit.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Test the fuel injector for proper operation and resistance.
- Replace the fuel injector if necessary.
- Clear the fault codes from the vehicle’s computer using a scan tool.
- Finally, test drive the vehicle to ensure the issue has been resolved.
Cost Of Fixing Jeep p0204 Fault Code
The repair for Jeep fault code P0204 involves diagnosing and fixing an issue with injector circuit 4.
The cost to diagnose and fix a Jeep OBD code P0204 typically ranges from $75 to $150, based on a 1. 0hour repair time.
Factors like shop rates and the complexity of the issue can influence the final cost.
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Details of the Jeep p0204 OBD Code
Fault code P0204 in a Jeep indicates an issue with the fuel injector circuit for cylinder 4.
OBD code P0204 for a Jeep indicates an issue with the fuel injector circuit in cylinder 4. This code is triggered by the Engine Control Module (ECM) when it detects a malfunction in the fuel injector circuit for that specific cylinder.
The ECM monitors the injector circuit’s operation by sending a signal to the injector and then checking for the expected feedback signal.
If the feedback signal is not within the expected range, it will trigger a P0204 fault code.
This code typically points to a problem with the fuel injector itself, the wiring connected to it, or the ECM.
Mechanic’s Tech Notes
Detailed information on diagnosing and repairing fault code P0204 for a Jeep vehicle.
To diagnose and fix OBDII code P0204 on a Jeep, start by checking the wiring harness and connectors related to the fuel injector circuit for cylinder 4. Use a voltmeter to test the injector’s resistance and ensure it falls within specifications.
Verify injector pulse using a noid light or oscilloscope.
If the wiring and injector are fine, the issue may lie with the Engine Control Module (ECM) or a faulty injector driver.
Use a scan tool to monitor live data and perform a cylinder balance test to pinpoint the problem further.
Consider reprogramming the ECM if needed.
FAQ
OBD code P0204 in a Jeep means an issue with fuel injector 4 circuit. Symptoms include engine light on, lack of power, and engine hesitation. Check injector and wiring.
Common causes of OBD code P0204 in a Jeep include a faulty fuel injector 4, open/shorted harness, or poor electrical connection. Inspect and repair as needed.
Diagnose and fix OBD code P0204 in your Jeep by checking fuel injector 4 and its wiring harness for faults. Inspect connectors for damage or corrosion.

Wrap Up
If your Jeep is displaying OBD code p0204, you may experience engine misfires, rough idling, or decreased fuel efficiency.
This code typically indicates a fault in the fuel injector circuit for cylinder 4, caused by a faulty fuel injector, wiring issues, or a poor connection.
To address Jeep OBD code p0204, inspect the wiring harness for any damage, test the fuel injector connector for proper connection, and consider replacing the fuel injector for cylinder 4 if necessary.
Ensure all connections are secure and free of corrosion to resolve the issue effectively.
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