The OBD code P0207 for GMC indicates an issue with Fuel Injector 7 circuit.
This affects the fuel injection system.
Symptoms include Engine Light ON, lack of power, hard starting, and engine hesitation.
Causes may include a faulty Fuel Injector 7, wiring harness issues, or a faulty ECM.
This is a serious issue that requires immediate attention.
A possible fix is to inspect and repair any damaged wiring or connectors related to Fuel Injector 7.
Repair Importance Level | 10.0 (Out of 10) |
Estimated Repair Time | Approximately 1.0 hour |
Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the Gmc p0207 OBD Code
The vehicle may experience rough idling, misfires, or lack of power with GMC P0207.
- With OBD code P0207 on a GMC vehicle, 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 Gmc p0207 OBD Code
Possible reasons for GMC P0207 include injector circuit issues or faulty injector operation.
- P0207 for a GMC may be caused by: Faulty Fuel Injector 7.
- Fuel Injector 7 harness is open or shorted.
- Fuel Injector 7 circuit poor electrical connection.
- Faulty Engine Control Module (ECM).
Fixing Gmc Error Code p0207 Step By Step
Address the issue by inspecting the wiring and connections related to GMC fault code P0207.
- To fix GMC OBDII code P0207, first, review the possible causes related to injector circuit/open cylinder 7.
- Visually examine the wiring harness and connectors for any visible damage.
- Check the connector pins for signs of being broken, bent, pushed out, or corroded.
- Test the injector for proper operation and resistance.
- Replace the injector if necessary.
- Clear the fault codes and perform a test drive to verify the repair.
Cost Of Fixing Gmc p0207 Fault Code
Repairing GMC P0207 involves diagnosing and fixing an issue with the fuel injector circuit for cylinder 7.
The cost to diagnose and fix a GMC OBD code P0207 typically ranges from $75 to $150 per hour for labor rates.
With an estimated repair time of 1. 0 hour, the total cost can be around $75 to $150, depending on shop rates and the complexity of the repair.
Details of the Gmc p0207 OBD Code
GMC P0207 indicates an issue with cylinder 7 injector circuit malfunction.
GMC OBD code P0207 means that a malfunction has been detected in cylinder 7 injector circuit.
This code is triggered by the Engine Control Module (ECM) when it detects a fault in the injector circuit for cylinder 7. The ECM monitors the injector circuits for proper operation to ensure the correct amount of fuel is being delivered to each cylinder for combustion.
If there is a fault in the circuit for cylinder 7, the ECM will set code P0207.
Mechanic’s Tech Notes
Detailed information on diagnosing and repairing GMC P0207, which indicates a fault in cylinder 7 injector circuit.
OBDII code P0207 for a GMC indicates an issue with Cylinder 7 Injector Circuit/Open.
To diagnose, use a multimeter to check the injector’s resistance and ensure it falls within specifications.
Test the injector’s wiring for continuity and inspect for any damage.
Scan tools can help monitor injector pulse width and voltage signals while the engine is running.
Check the injector connector for proper connection and signs of corrosion.
If no visible issues are found, consider testing the injector driver circuit in the PCM.
Reflashing the PCM may be necessary to resolve the fault.
FAQ
Common causes of OBD code P0207 in a GMC vehicle include a faulty Fuel Injector 7, open/shorted harness, poor electrical connection, or faulty ECM. Inspect wiring and connectors for damage.
Diagnose and fix OBD code P0207 in your GMC by checking Fuel Injector 7 and related wiring for faults. Inspect connectors for damage or corrosion.
It is not safe to continue driving with OBD code P0207 in your GMC. Address the faulty Fuel Injector 7 or related issues promptly to prevent further damage.

Wrap Up
If your GMC is displaying OBD code P0207, you may experience engine misfires, rough idling, or decreased fuel efficiency.
This code typically indicates an issue with cylinder 7 injector circuit, such as a faulty fuel injector, wiring problem, or a poor connection at the injector.
To address GMC OBD code P0207, start by inspecting the wiring harness and connector at the cylinder 7 fuel injector.
Test the injector resistance and check for any signs of corrosion or damage.
If necessary, replace the fuel injector and ensure proper connection for a reliable repair.