Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer thinks a part that controls the fuel flow is stuck in the 'on' position, which might cause too much fuel to go to the engine.
The P26B6 code is triggered when the Engine Control Module (ECM) detects that the fuel shutoff valve B control circuit is stuck in the 'on' position.
The fuel shutoff valve is responsible for controlling the flow of fuel to the engine. If the control circuit for this valve is stuck 'on', it means that the valve may be continuously allowing fuel to flow, which can lead to engine performance issues or increased emissions.
• Check Engine Light is on
• Poor fuel economy
• Engine runs rough or stalls
• Faulty fuel shutoff valve
• Wiring issues in the control circuit
• Malfunctioning Engine Control Module (ECM)
ECM: Engine Control Module, the computer that controls engine functions.
Fuel Shutoff Valve: A valve that controls the flow of fuel to the engine.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the fuel shutoff valve for proper operation.
• Replace the faulty fuel shutoff valve.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect and maintain fuel system components.
• Ensure proper electrical connections.
• Use quality fuel to prevent deposits.
Fuel System Issue
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional.
• Avoid driving long distances until the issue is resolved.
Check with the vehicle manufacturer for specific warranty coverage on fuel system components.
This code is relatively rare and often associated with specific vehicle models with known fuel system issues.
Moderate – Addressing the issue promptly can prevent further engine damage or poor performance.
Driving with a malfunctioning fuel system can lead to increased emissions and potential safety hazards.
• Engine running
• Fuel system pressurized
The fuel shutoff valve is typically located near the fuel tank or along the fuel line.
Q: Can I drive with a P26B6 code?
A: It's not recommended to drive for long periods with this code active, as it may lead to engine performance issues.
Q: How do I reset the Check Engine Light after fixing the issue?
A: You can use an OBD-II scanner to clear the code, or disconnect the battery for a few minutes to reset the system.
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