Air Flow Meter/Sensor: Service and Repair

1999 Buick LeSabre V6-3.8L VIN KSECTION Service and Repair



REMOVAL PROCEDURE
1. The MAF sensor on this engine is attached to the throttle body assembly.

Remove the fuel injector sight shield.

2. Disconnect the MAF sensor electrical connector (8) from the MAF sensor (1).
3. Remove the screws (9) holding MAF sensor to throttle body.
4. Remove the MAF sensor (1) from the throttle body.

INSTALLATION PROCEDURE
1. Install the MAF sensor (1) from the throttle body.

NOTE: Refer to Fastener Notice in Service Precautions.

2. Install the screws (9) holding MAF sensor to throttle body.

Tighten
Tighten the screws to 3 N.m (27 lb in).

3. Connect the MAF sensor electrical connector (8) from the MAF sensor (1).
4. Install the fuel injector sight shield.
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.