Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
The car's computer is saying that a part of the engine that helps control how much air goes in is getting too hot.
The Variable Valve Lift (VVL) system is designed to optimize engine performance by adjusting the lift of the engine's valves. This code indicates that the control motor for this system is experiencing temperatures that are too high, which could lead to system failure.
The P107B code is triggered when the engine control module (ECM) detects that the temperature of the VVL control motor exceeds a predetermined threshold. This could be due to excessive load, poor cooling, or a malfunctioning motor.
• Check Engine Light is on
• Reduced engine performance
• Engine overheating
• Faulty VVL control motor
• Poor electrical connections
• Overloading of the VVL system
VVL: Variable Valve Lift
ECM: Engine Control Module
• Use an OBD-II scanner to confirm the code
• Inspect the VVL control motor for damage
• Check electrical connections and wiring
• Replace the VVL control motor if faulty
• Repair or replace damaged wiring
• Ensure proper cooling of the engine compartment
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Nissan Altima
• Infiniti Q50
• Honda Accord
• Regular maintenance and inspection
• Ensure proper engine cooling
• Avoid overloading the engine
Engine Performance
• Avoid driving the vehicle until repaired
• Consult a professional mechanic
• Regularly check engine temperature
Check with your vehicle manufacturer for warranty coverage on engine components.
This code has been associated with vehicles using advanced variable valve timing systems, often appearing in models with high mileage or poor maintenance history.
High – Driving with this issue can lead to severe engine damage.
Ignoring this code can result in engine failure, which could pose safety risks.
• Engine at operating temperature
• VVL system activated
The VVL control motor is typically located near the top of the engine, close to the valve cover.
Q: Can I drive with a P107B code?
A: It's not recommended, as it can lead to further engine damage.
Q: How do I reset the P107B code?
A: After repairs, use an OBD-II scanner to clear the code.
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