Originally Posted by nhluhr
not if you do it correctly.
-carefully remove it from the intake
-spray cleaner onto the IAT probe (the part you can see that looks like a tiny kernel of red corn)
-spray cleaner indirectly up into the hollow of the tube to clean the heater wires. You should avoid blasting the heater wires directly, as it could damage them somehow.
-let air dry
-carefully replace MAF, beign sure to get it pointed the correct direction (plug in front, not in back)
-reset ECU to clear out the AF Learned trims
and im really surprised that 'most' people that have polled do not clean their MAF. I guess as a Ford tech, and seeing how many engines have been DESTROYED by faulty MAF sensors...I am over cautious.
BTW, by DESTROYED, it has ALWAYS been from an engine running lean. 'usually' from dirty air filters (lack of maintenance by the customer) and/or oil bath filters.