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.

2004 Pontiac Sunfire AutomaticFACTORY OEM SERVICE PROCEDURE

Removal Procedure

Disconnect the air cleaner duct from the air cleaner resonator.
Disconnect the IAT sensor harness connector.
While twisting the IAT sensor (4), pull the sensor from the air cleaner resonator (1).

Fig 1: Locating IAT Sensor
Courtesy of GENERAL MOTORS CORP.

Factory Service Tools

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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.