For 1990-2009 cars

### Removal Procedure

Warning: Refer to Battery Disconnect Warning in the Preface section.

1. Disconnect the negative battery cable.
2. Loosen the clamp and pull the flexible air intake duct away from the mass air flow (MAF) sensor assembly.
3. Disconnect the MAF sensor connector.
4. Remove the screw, two places, attaching the MAF sensor assembly to the upper air cleaner housing.
5. Remove the MAF sensor assembly.

### Installation Procedure

Caution: Refer to Fastener Caution in the Preface section.

Note: Ensure that the arrow on the MAF sensor housing face toward the air flow direction.

1. Install the MAF sensor assembly to the air cleaner upper housing and tighten the attaching screws to 2 N·m (18 lb in).
2. Connect the flexible air intake duct and tighten the clamp.
3. Connect the MAF sensor connector.