Accelerator Pedal Position (APP) sensor — replacement

Note: The APP sensor is located at the top of the accelerator pedal arm. The APP sensor and the accelerator pedal are a one-piece assembly and are replaced as a unit.

1. Remove the knee bolster (see Body).

2. Locate the APP sensor at the top of the accelerator pedal assembly (see illustration).

3.2 Pull the connector lock (1) out, then depress the release tab and disconnect the electrical connector (2). To detach the APP sensor/pedal assembly, remove the mounting bolts (3)

Chevrolet Silverado Emissions and engine control systems _ Pull the connector lock (1) out, then depress the release tab and disconnect the electrical connector (2). To detach the APP sensor/pedal assembly, remove the mounting bolts (3)

3. Disconnect the electrical connector from the APP sensor.

4. Unscrew the mounting bolts and remove the APP sensor and accelerator pedal as a single assembly.

5. Installation is the reverse of removal. Tighten the APP sensor assembly mounting bolts securely.

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