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Cleaning the Mass Air Flow Sensor of a Citroen C4 Picasso HDI MK2

Model: Citroen C4 Picasso MK 2 - Years: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
Part: Checks and maintenance

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Video tutorial

To clean the mass air flow sensor of a Citroen C4 Picasso 1.6 HDI, open the bonnet of the engine compartment, detach the air intake hose, loosen the clamps of the hose that goes from the turbocharger to the mass air flow sensor and remove it, take off the plastic cover of the injection and unscrew the three screws that secure the mass air flow sensor, disconnect the electrical connector and remove it. Using a dry contact cleaner, clean the central tab of the device and dry it with a low-pressure compressed air jet. Reassemble the mass air flow sensor by securing it with the screws, reconnect the electrical connector, and reassemble the other components.


Updated on 9 October 2026 by ScegliAuto


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by ScegliAuto

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