Cleaning the mass air flow sensor
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Cleaning the mass air flow sensor
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1.
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Put the ignition in position OFF.
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2.
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Mark the position of the sensor and unplug the connector
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3.
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Remove the sensor. Use a Torx bit T20 with centre hole (safety bit). Place the sensor on a rag to soak up any spills during cleaning.
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4.
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Spray the top and bottom of the sensor with Electronics cleaner 30 04 223. Allow the liquid to work for approx. 1 minute. Exercise caution; the sensor components should not come into contact with tools or other devices.
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5.
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Carefully blow clean the sensor internally and externally with compressed air. Keep a distance of at least 30 cm.
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6.
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Repeat this treatment twice.
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7.
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Lubricate the sensor O-ring sparingly with petroleum jelly to facilitate fitting.
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8.
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Fit the sensor according to the marking. The sensor is calibrated in this position and it must therefore be refitted in its original position.
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9.
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Plug in the connector.
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