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Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 943 (Engine Controls - 6.6L (Lb7) (Introduction)) >> Repair Instructions >> Accelerator Pedal Position (APP) Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the accelerator pedal assembly.
    NOTE: Refer to the Fastener Notice in Cautions and Notices.
  2. Install the accelerator pedal nuts.

    Tighten:  Tighten the nuts to 20 N.m (15 lb ft).

    3. Fig 1: Accelerator Pedal Assembly
    GM871926Courtesy of GENERAL MOTORS CORP.
  3. Connect the APP sensor electrical connector.
    4. Fig 2: View Of Accelerator Pedal Position Sensor Electrical Connector
    GM858238Courtesy of GENERAL MOTORS CORP.
  4. Reposition the carpet.
  5. Install the CPA retainer.
  6. Connect a scan tool in order to test for proper throttle-opening and throttle-closing range.
  7. Operate the accelerator pedal and monitor the throttle angles. The accelerator pedal should operate freely, without binding, between closed a closed throttle and a wide open throttle (WOT).
  8. Verify that the vehicle meets the following conditions:
    • The vehicle is not in a reduced engine power mode.
    • The ignition is ON.
    • The engine is OFF.
  9. Inspect the carpet fit under the accelerator pedal.
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