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Where can I find the mass air flow sensor on a 2003 GMC Envoy 4.2?
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★ Top Answer
The air flow sensor for a 2003 GMC Envoy with a 4.2L engine can be found under the hood of the vehicle. To locate it, open the driver's side door, pull the hood release lever, lift the hood, and then locate the throttle body at the back of the engine. The air flow sensor is positioned just above the throttle body. A replacement sensor typically costs between $30 and $55.
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The Mass air flow sensor for a 2003 GMC Envoy 4.2 can be found on the throttle body of the vehicle.
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