Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Air Flow Meter/Sensor: Service and Repair

REMOVAL

1. Disconnect negative battery cable.

NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the powertrain control module relearns its adaptive strategy. The vehicle may need to be driven 10 miles or more to relearn the adaptive strategy.

2. Disconnect resonance chamber from meter. Position chamber and air duct clear of work area.

Volume Air Flow (VAF) Meter:






3. Disconnect meter electrical connector.

4. Remove ignition coil wire routing bracket.

Volume Air Flow Meter:






5. Remove meter mounting nuts and lift off meter and gasket.

INSTALLATION

1. Install gasket and position meter. Install mounting nuts.

2. Install coil wire routing bracket and mounting nut.

3. Connect meter electrical connector.

4. Connect resonance chamber to meter.

5. Connect negative battery cable.