Throttle/Pedal Position Sensor A Maximum Stop Performance

Where it lives

For P2163, the part to look at first is the sensor named here.

Check these first

• A dirty or faulty throttle position sensor A
• Wiring or corrosion in the sensor A circuit
• A throttle body fault such as a sticking throttle valve
• A sensor A calibration fault
• Low battery voltage

What to do next

1. Read the throttle position sensor A voltage on a scan tool
2. Sweep the pedal to the maximum stop and watch the signal
3. Clean the throttle position sensor and its connector
4. Test the sensor A wiring for damage or corrosion
5. Replace the throttle position sensor A if the signal is out of range
6. Clear the code and retest

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