The P2164: Throttle/Pedal Position Sensor ‘B’ Maximum Stop Performance refers to an issue where the throttle or pedal position sensor ‘B’ does not properly register the maximum stop position. This could be caused by a faulty sensor, calibration issues, or mechanical problems with the throttle or pedal mechanism.
P2164 – Quick Overview
Code | Information |
---|---|
Meaning | P2164: Throttle/Pedal Position Sensor ‘B’ Maximum Stop Performance |
Is it serious? | Yes, it can affect throttle response and vehicle acceleration, impacting drivability and safety. |
Possible causes | – Faulty throttle/pedal position sensor ‘B’ – Sensor calibration issues – Mechanical problems with the throttle or pedal |
How to diagnose? | – Test the throttle/pedal position sensor ‘B’ for performance issues – Verify sensor calibration – Inspect the throttle and pedal mechanism for issues |
P2164 Meaning
The P2164: Throttle/Pedal Position Sensor ‘B’ Maximum Stop Performance code indicates that the engine control module (ECM) has detected a problem with the maximum stop position of the throttle or pedal position sensor ‘B’. This sensor is responsible for accurately measuring the position of the throttle or pedal, which controls the amount of air entering the engine. A problem with this sensor can cause issues with vehicle acceleration, throttle response, and overall 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 | Visually inspect the throttle and pedal mechanisms for any signs of damage, binding, or wear. Ensure both parts move smoothly and are not obstructed. | Flashlight, Safety Gloves |
Test Throttle/Pedal Position Sensor ‘B’ | Use a multimeter or diagnostic tool to test the throttle/pedal position sensor ‘B’ for performance issues. Compare sensor readings against manufacturer specifications to check for abnormalities. | Multimeter, Diagnostic Tool |
Verify Sensor Calibration | Check the calibration of the throttle/pedal position sensor ‘B’ and ensure it is within manufacturer specifications. Recalibrate if necessary. | Calibration Tool (if needed) |
Check for Mechanical Issues | Inspect the throttle body, linkage, and pedal assembly for any mechanical issues that could affect the sensor’s performance. | Flashlight, Wrenches |
Repair or Replace Faulty Components | If the throttle/pedal position sensor ‘B’ or any other components are found to be faulty, repair or replace them as needed to resolve the issue. | Replacement Parts, Tools |
Clear the Code and Test Drive | After making the necessary repairs, clear the P2164 code using an OBD-II scanner and test drive the vehicle to ensure the issue has been resolved. | OBD-II Scanner |
Recheck for Codes | After the test drive, re-scan the vehicle to confirm that the P2164 code does not reappear. | OBD-II Scanne |

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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)