Mass Airflow Sensor Replacement
Engine Controls and Fuel - 5.3L L84 or 6.2L L87 | Repair Instructions | Document ID: 5501401 Removal Procedure

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Disconnect the mass airflow sensor electrical connector.
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Mass Airflow Sensor Bolt (1) » Remove [2x]
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Mass Airflow Sensor (2) » Remove Installation Procedure
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Mass Airflow Sensor (2) » Install
- Mass Airflow Sensor Bolt (1) » Install and tighten [2x] — Fastener Specifications
- Connect the mass airflow sensor electrical connector.