THIS is the only recommended cleaning solvent specifically made by
CRC for cleaning that delicate MAF Sensor "Bulb". Recently, I saw
a video of ScannerDanner working on a Late Model GM Silverado at his Brother's Garage
manually cleaning the MAF Sensor "Bulb" with a very small brush while also using only the
CRC MAF Spray Solvent ...and it worked great...
But he was being VERY careful with its application though:
Buy CRC 05110 Mass Air Flow Sensor Cleaner - 11 Wt Oz.: Collision Repair Sets - Amazon.com ✓ FREE DELIVERY possible on eligible purchases
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Here he is explaining his Abbreviated, Universal "
How to Diagnose a P0171 involving cleaning issues with the MAF Sensors":