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"Watts D. Matter" <qwerty@cox.com> wrote in message
news:rF42h.2$3K7.1@newsfe13.phx...[color=blue]
>: The sensor is generally referred to as a MAF (mass air flow) or MAP
> : (manifold absolute pressure) sensor. The hot wire type MAF sensor can
> get
> : dirty and act as an insulator so that the air flowing past the wire
> doesn't
> : cool the wire enough. The MAF sensor is supposedly not serviceable, but
> : IMO, it is worth trying to clean it before replacing it. I would use
> : rubbing alcohol instead of brake cleaner because the rubbing alcohol is
> not
> : quite as harsh.
> :
> : In order to achieve the higher air flow, many aftermarket air filters
> let
> : more fine particles pass than OEM filters. A consequence of the fine
> : particles passing through the filter are dirty MAF sensors, oil that
> becomes
> : contaminated more quickly, and more engine wear. The aftermarket air
> : filters that use an oil bath or coating of oil also contaminate MAF
> sensors
> : from the oil vapor, which is why you do not see that type of filter OEM
> : applications.
>
>
> What about carb cleaner in the spray can?
>[/color]

Aerosol carb cleaner should be OK, but it would be my second preference
after rubbing alcohol. My thinking is that since you are not supposed to
use anything on it, if you do choose to give it a try, then use the least
caustic stuff available. Also, carb cleaner can leave a film where rubbing
alcohol does not.
--

Ray O
(correct punctuation to reply)