The P2163: Throttle/Pedal Position Sensor ‘A’ Maximum Stop Performance refers to a problem with the throttle or pedal position sensor ‘A’, where the maximum stop position does not match expected values. This can be caused by a faulty sensor, calibration issues, or mechanical problems with the throttle or pedal mechanism.
P2163 – Quick Overview
Code | Information |
---|---|
Meaning | P2163: Throttle/Pedal Position Sensor ‘A’ Maximum Stop Performance |
Is it serious? | Yes, this can affect vehicle acceleration and throttle control, impacting drivability and safety. |
Possible causes | – Faulty throttle/pedal position sensor ‘A’ – Sensor calibration issues – Mechanical problems with the throttle or pedal |
How to diagnose? | – Test the throttle/pedal position sensor ‘A’ for performance issues – Verify sensor calibration – Inspect the throttle and pedal mechanism for issues |
P2163 Meaning
The P2163: Throttle/Pedal Position Sensor ‘A’ Maximum Stop Performance code indicates that the engine control module (ECM) has detected an issue with the maximum stop position of throttle or pedal position sensor ‘A’. This sensor is responsible for providing input regarding the throttle or pedal position, which controls the amount of air and fuel entering the engine. An issue with this sensor can cause poor throttle response or erratic vehicle performance.
Step-by-step diagnostic guide
Action | Description | Tools Needed |
---|---|---|
Check for Other Codes | Use an OBD-II scanner to check for any other related codes that may provide more insight into the issue. | OBD-II Scanner |
Inspect Throttle and Pedal Mechanism | Inspect the throttle and pedal mechanism for any signs of damage or wear that could affect performance. Ensure the throttle and pedal are moving freely. | Flashlight, Safety Gloves |
Test Throttle/Pedal Position Sensor ‘A’ | Use a multimeter or diagnostic tool to test the throttle/pedal position sensor ‘A’ for performance issues. Compare the sensor readings to the manufacturer’s specifications. | Multimeter, Diagnostic Tool |
Verify Sensor Calibration | Check the calibration of throttle/pedal position sensor ‘A’ and ensure it is functioning within manufacturer specifications. Recalibrate if necessary. | Calibration Tool (if needed) |
Check for Mechanical Issues | Inspect any related mechanical components, such as the throttle body, linkage, or pedal assembly, for issues that could affect sensor performance. | Flashlight, Wrenches |
Repair or Replace Faulty Components | Repair or replace any faulty components, including the throttle/pedal position sensor or mechanical parts, as necessary to resolve the issue. | Replacement Parts, Tools |
Clear the Code and Test Drive | After making repairs, clear the P2163 code using an OBD-II scanner and take the vehicle for a test drive to verify the issue is resolved. | OBD-II Scanner |
Recheck for Codes | After the test drive, re-scan the vehicle to ensure the P2163 code does not return. | OBD-II Scanner |

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Hi, I am Juraj “Yuri” Lukacko. I got frustrated by unhelpful and scammy mechanics, so I decided to learn everything about car diagnostics myself. I test dozens of new car diagnostic tools every month along with learning new strategies to fix and customize cars. About Juraj Lukacko (Yuri)