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1997 ford explorer code po446

if you had a code problem po446 , we just fixed that problem on our Ford Explorer. po446 evapis the sensor located beside your charcoal canister which is located above the spare tire.

Johnny Adds this;

The Mass Air Flow Sensor is between

the Air-Filter housing and the Air Intake manifold

on the Ford Explorer Sport 1999.

Open Engine Hood. Left Front Side.

Most important sensor but prone to contamination.

MANY FORUMS have postings on how to clean (non contact methods only)

you can see it to the right of this picture (the air filter shown is NOT stock,

its for off-road performance)

http://media.Photobucket.com/image/ford%20explorer%20sport%201999%20MAF%20sensor/ka4x4turbo/05032008.jpg

You will need a special "security torx" screwdriver BIT which is available in a kit

at $5 from HarbourFreightTools, the torx has a hole in the center

dont touch nor wipe the sensor wire (s)

you can buy cleaners in aerosol form, or you can use compressed air can

Like your PVC replacement, its a little known fact

that cleaning MAF dirt (if it exists)

will immediately improve gas consumption

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15y ago

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