Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 276 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - HYBRID (LZ1) - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSACCELERATOR PEDAL POSITION SENSOR REPLACEMENTREMOVAL PROCEDURE

2009 Chevrolet Tahoe Base, 4.8 C

Removal Procedure

2009 Chevrolet Tahoe Base, 4.8 CSECTION Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Yukon, 2010 Chevrolet Tahoe, and 2010 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Handle the electronic throttle control components carefully. Use cleanliness in order to prevent damage. Do not drop the electronic throttle control components. Do not roughly handle the electronic throttle control components. Do not immerse the electronic throttle control components in cleaning solvents of any type.

Fig 1: View Of APP Sensor Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Remove the knee bolster. Refer to Knee Bolster Replacement (Cadillac) or Knee Bolster Replacement (Except Cadillac) .
Push down the small tab and disconnect the accelerator pedal position (APP) sensor electrical connector (1).

Fig 2: View Of Accelerator Pedal Position Sensor Assembly

Courtesy of GENERAL MOTORS CORP.

Remove the accelerator pedal bolts.
Remove the accelerator pedal.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.