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 has detected a problem with the system that controls how much fuel the engine gets. It's like when you try to turn on a toy and it doesn't work because the battery isn't connected properly.
The P2552 code indicates an issue with the throttle or fuel inhibit circuit, which is responsible for regulating fuel flow to the engine.
The P2552 code is triggered when the Engine Control Module (ECM) detects a malfunction in the throttle/fuel inhibit circuit 'A'. This circuit is crucial for controlling the amount of fuel delivered to the engine, ensuring optimal performance and efficiency. A fault in this circuit can lead to improper fuel delivery, affecting engine performance.
• Check Engine Light is on
• Poor engine performance
• Reduced fuel efficiency
• Faulty throttle position sensor
• Damaged or corroded wiring or connectors
• Defective Engine Control Module (ECM)
Throttle Position Sensor: A sensor that monitors the position of the throttle in an internal combustion engine.
ECM: Engine Control Module, the computer that controls engine functions.
• Use an OBD-II scanner to confirm the code.
• Inspect the throttle position sensor and related wiring for damage.
• Test the ECM for proper functionality.
• Replace the throttle position sensor if faulty.
• Repair or replace damaged wiring or connectors.
• Replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Screwdriver set
$150 - $600
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect and maintain the throttle system.
• Ensure wiring and connectors are free from corrosion.
• Perform routine engine diagnostics.
Engine Performance
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional if unsure.
• Avoid driving the vehicle aggressively until the issue is resolved.
Check with your vehicle manufacturer for warranty coverage on engine components.
The P2552 code has been reported in vehicles with electronic throttle control systems, particularly in models with higher mileage.
Moderate – While the vehicle may still be drivable, it's important to address this issue to prevent further engine performance problems.
Ignoring this code may lead to decreased engine performance and increased emissions, which could affect vehicle safety and compliance with emissions regulations.
• Engine running
• Vehicle in motion
The throttle position sensor is typically located on the throttle body, which is usually found on the intake manifold.
Q: Can I drive with a P2552 code?
A: While you may be able to drive with this code, it's not recommended as it can lead to poor engine performance and increased emissions.
Q: How can I prevent a P2552 code?
A: Regular maintenance of the throttle system and ensuring all electrical connections are secure can help prevent this code.
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