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 is having trouble understanding when the gas pedal is not being pressed at all.
The closed throttle position switch is a part of the throttle body that tells the engine control module (ECM) when the throttle is completely closed.
The P0510 code is triggered when the ECM detects a malfunction in the closed throttle position switch circuit. This switch is used to inform the ECM that the throttle is in the idle position. If the ECM does not receive the correct signal, it may not adjust the air-fuel mixture properly, leading to performance issues.
• Check Engine Light is on
• Poor engine performance
• Inconsistent idle speed
• Faulty closed throttle position switch
• Wiring issues or poor connections
• Faulty ECM
ECM: Engine Control Module
Throttle Body: A component of the air intake system that controls the amount of air entering the engine
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connections to the closed throttle position switch.
• Test the switch for proper operation.
• Replace the closed throttle position switch if faulty.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Screwdriver set
$100 - $300
Moderate
• Toyota Camry
• Honda Accord
• Ford Focus
• Regularly inspect throttle body components.
• Ensure all electrical connections are secure.
• Keep the throttle body clean.
Sensor Issue
• Avoid driving the vehicle until the issue is resolved to prevent further damage.
• Consult with a professional mechanic for a proper diagnosis.
Check if your vehicle's powertrain warranty covers throttle position switch issues.
The P0510 code has been a common issue in vehicles with electronic throttle control systems since the late 1990s.
Moderate – It is advisable to address this issue soon to prevent potential drivability problems.
Driving with a malfunctioning throttle position switch can lead to unsafe driving conditions.
• Engine at operating temperature
• Throttle at idle position
The closed throttle position switch is typically located on the throttle body, near the throttle plate.
Q: Can I drive with a P0510 code?
A: It's not recommended as it can lead to poor engine performance and unsafe driving conditions.
Q: How do I reset the P0510 code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue is fixed, it should not return.
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