Mass Air Flow Sensor — Replacement (Granta 2190)

The need to perform work can be determined by the fault code read through the diagnostic connector ("Checking the technical condition of the engine management system").

To complete the work you will need a multimeter (in voltmeter mode).

Removal

1. Prepare the car for work ("Preparing the car for maintenance and repair").

2. Press the connector lock and disconnect the wiring harness connector from the mass air flow sensor.



3. Using a Phillips screwdriver, loosen the clamp and disconnect the air supply hose from the sensor.



4. Using a 10 mm socket wrench, unscrew the two bolts securing the mass air flow sensor.



5. Remove the sensor and remove the sealing ring from it.





Article copied from the resource: LadaMan

Advice: You can verify that the mass air flow sensor is faulty by replacing it with a known good one.

Installation

We install the sensor in the reverse order of removal.