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How to Clean the Mass Sensors on a Chevrolet City Express

Model: Chevrolet City Express MK 1 - Years 2015-2018
Part: Checks and maintenance

As seen in the video, before you start cleaning your mass air flow sensor on the 2015 Chevrolet City Express cargo van, get a suitable spray for the job. Using a 7 mm ratchet, remove two screws and pull the sensor out. Often, a good cleaning is all it takes to restore a functioning sensor. If you need to replace the part, it's best to order it from the manufacturer. Once the sensor is removed, clean it with the cleaner and let it dry for 30 minutes. Sometimes it may work again, sometimes it won't, but cleaning the various components of the air flow is always beneficial and is part of general maintenance.

Updated on 4 August 2026 by ScegliAuto

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