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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Air Flow Meter/Sensor: Service and Repair

REMOVAL

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

2. REMOVE MASS AIR FLOW METER




a. Disconnect the mass air flow meter connector.
b. Remove the 2 screws and mass air flow meter.

INSTALLATION

1. INSTALL MASS AIR FLOW METER




a. Install the mass air flow meter with the 2 screws.

NOTE: Make sure that the O-ring is not cracked or jammed when installing.

b. Connect the mass air flow meter connector.

2. CONNECT CABLE TO BATTERY NEGATIVE TERMINAL
3. PERFORM INITIALIZATION
a. Perform initialization.

NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.