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Frequently asked questions about cars and motorcycles
Car Tutorial (Do it yourself) Motorcycle Tutorial (Do it yourself) Frequently Asked Questions
  1. Car
    2. :
  2. Renault
    3. :
  3. Clio
    4. : Check the functioning of the mass air flow meter

Renault Clio - Video tutorial

Model: Renault Clio Clio 2, MK 2 - Years 1998-2005
Part: Mass air flow sensor
Operation: Check the functioning of the mass air flow meter

The so-called mass air flow meter is actually the air mass meter: it is therefore a sensor mounted downstream of the engine air filter box and which has the function of communicating to the engine management control unit the volume of air blown as a function of the number of revolutions. It is possible to check the operation of this sensor using a simple voltmeter. Set the reading scale to 20V, intercept the debimeter connector and connect the leads on the two wires with a larger section (black and purple): when the panel is switched on, the 12V power supply will be measured; it is suggested to use pins or tacks to insert at the entrance of the wires to facilitate the measurement; leaving the ground lead, check the output voltage of the other two wires: with the engine off, nothing must be measured; with the engine running, on the other hand, the voltage must increase with the engine revolutions.


Posted on 8 August 2023 by ScegliAuto



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Watch the video!


by ScegliAuto

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