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How to properly clean the MAF sensor using CRC MAF cleaner

Model: (Various brands) Various
Part: MAF sensor

Video tutorial

You can find the CRC Air Sensor Clean Pro on auto-doc.it with EAN code 5412386071737 priced at £10.49 for the 250 ml can plus £9.90 for shipping. Symptoms of a dirty MAF include: irregular idle, hesitation during acceleration, high fuel consumption, error code P0101. Diagnosis is done by disconnecting the MAF connector; if the engine runs better, you have found the culprit.

The sensor is located after the air filter box and before the throttle body. Clean with CRC MAF cleaner: disconnect the electrical connector and remove the sensor from the pipe.

Spray 10/15 light sprays directly on the sensitive element: do not touch it with fingers, brushes, or cloths, but let it dry completely for 5/10 minutes. Reassemble the sensor and reconnect the connector.

Start the engine and take a test drive to allow the ECU to relearn the parameters.


Posted on 2 June 2026 by ScegliAuto


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