The P0007 code is an OBD2 diagnostic trouble code that stands for “Fuel Shutoff Valve ‘A’ Control Circuit High.” This code indicates that the Engine Control Module (ECM) has detected a high electrical value within the control circuit of the fuel shutoff valve, a critical component in managing the engine’s fuel supply.
This can lead to a variety of engine performance issues, such as rough idling and stalling, as experienced in the cases of the Honda Civic, Honda Accord, and Toyota Camry.
P0007 quick overview
| Meaning | P0007 – Fuel Shutoff Valve “A” Control Circuit High |
| Is it serious? | Yes, this code can lead to stalling and rough idling, potentially leaving you stranded or causing unsafe driving conditions. |
| Possible causes | – Damaged wiring or connections – Faulty fuel shutoff valve – Bad fuel shutoff valve relay – Issues with the ECM |
| How to diagnose? | Check the fuel shutoff valve and its wiring for damage or corrosion. Test the fuel shutoff valve relay for proper operation. Inspect the fuel pump and its circuitry for any issues. Examine the wiring harness for shorts or open circuits. |
P0007 Meaning
The P0007 code signals a problem with the fuel shutoff valve or its control circuit, affecting the vehicle’s ability to properly manage fuel flow to the engine. This can manifest as intermittent loss of power, hesitation during acceleration, rough idling, or the vehicle stalling.
The fuel shutoff valve plays a crucial role in safety, cutting off fuel in certain conditions to prevent engine damage or fuel leaks. Addressing this issue quickly is essential to ensure your vehicle runs smoothly and safely.
Car Diagnostics Training
- Car Electrical basics
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How to fix P0007 – learn from mechanics
I looked into P0007 service cases at iatn.com website where in the private forums the mechanics seek advice from other mechanics. I looked up a bunch of cases to help you decide how to fix your issue and see what would a real mechanic do to solve it.
Case #1: Honda P0007
Vehicle information 2015 Honda Civic LX 1.8L
Issue + repair history
- Vehicle experiencing rough idle and occasional stalling
- Previous repairs: Cleaned throttle body, replaced spark plugs and ignition coils
Other OBD2 Codes + Test Results
- P0007 – Fuel Shutoff Valve “A” Control Circuit High
- Live data: Fuel pressure readings normal, throttle position sensor functioning properly
Mechanic suggestions
- Check the fuel shutoff valve and its wiring for any signs of damage or corrosion
- Test the fuel shutoff valve relay for proper operation
- Inspect the fuel pump and its circuitry for any issues
Final fix Repaired damaged wiring to the fuel shutoff valve, resetting the ECU, and clearing the trouble code. The vehicle now runs smoothly without any stalling issues.
Case #2: Toyota P0007
Vehicle information 2008 Toyota Camry LE 2.4L
Issue + repair history
- Vehicle experiencing intermittent loss of power and hesitation
- Previous repairs: Replaced air filter, cleaned MAF sensor, and performed throttle body cleaning
Other OBD2 Codes + Test Results
- P0007 – Fuel Shutoff Valve “A” Control Circuit High
- Live data: Fuel trims within normal range, no abnormal sensor readings
Mechanic suggestions
- Check the fuel shutoff valve connector for loose or corroded pins
- Inspect the fuel shutoff valve relay for proper function
- Test the wiring harness for any shorts or open circuits
Final fix Replaced the faulty fuel shutoff valve relay, cleared the trouble code, and performed a test drive. The vehicle now accelerates smoothly without any power loss or hesitation.
Case #3: Honda P0007
Vehicle information 2015 Honda Accord LX 2.4L
Issue + repair history
- Vehicle experiencing stalling and rough idling intermittently
- Previous repairs: Replaced spark plugs and ignition coils
Other OBD2 Codes + Test Results
- P0007 – Fuel Shutoff Valve “A” Control Circuit High
- Live data: Fuel pressure readings within normal range, oxygen sensor voltages fluctuating properly
Mechanic suggestions
- Check the fuel shutoff valve for any signs of physical damage or corrosion
- Inspect the wiring harness leading to the fuel shutoff valve for any damage or fraying
- Test the fuel shutoff valve resistance to ensure it falls within the manufacturer’s specifications
Final fix Discovered a corroded wire in the wiring harness leading to the fuel shutoff valve. Repaired the wire, cleared the trouble code, and conducted a test drive. The vehicle now runs smoothly without any stalling or rough idling issues.
How to diagnose P0007
I made you an overview of solving this DTC, based on all the advice that was suggested by certified mechanics to address this issue in previously mentioned service cases.
| Diagnostic Step | Explanation |
|---|---|
| Check the fuel shutoff valve wiring | Look for any signs of damage, corrosion, or loose connections. |
| Test the fuel shutoff valve relay | Ensure it’s operating correctly and providing power as expected. |
| Inspect the fuel pump circuitry | Verify there are no issues that could affect fuel delivery. |
| Examine the wiring harness | Look for shorts, open circuits, or damage that could impact the valve’s operation. |
| Test fuel shutoff valve resistance | Confirm it meets the manufacturer’s specifications to ensure proper function. |
Car Diagnostics Training
- Car Electrical basics
- OBD-II scanner basics
- How to use an OBD reader
- Introduction to a Bi-directional Scan tool
- OBD scanner buyer’s guide + discounts
I test OBD-II scanners and make DIY Engine diagnostics guides to help you solve your car problems without having to depend on the mechanic. A lot of them will try to scam you or are just no help at all. About Juraj Lukacko