attempting to clean my MAF | Ford Explorer - Ford Ranger Forums - Serious Explorations
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attempting to clean my MAF

gooal22

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i went to the store and purchased a T-20 torx screwdriver. when i went to remove the MAF, the torx screws have a small little "thing" in the middle which didn't allow me to take it off.

my question is, did i purchase the wrong torx screwdriver?

sorry for the generic terms.

PaT
 



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Positive Vibes

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Heheheh. I know what your talking about. I did the same thing. You can buy one from Ford or just drill a hole in the driver.
 






Blake D

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you can buy the correct ones from an auto place they are security torx bits. I got mine from O'riley They can still be uesd as a standard torx too.
 






EBInterceptor

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Napa also carries them, that's where I got mine. Just asked for tamper-proof torx bits and found them right away, and only for about $2
 






Bashman

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You can also just get a screwdriver and snap the little thingy off and use the standard torx tip.
 






EBInterceptor

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On my new X, they plugged the holes of the screws, so I used needle nose pliers. Cheap solution too if you don't want to buy the bits.
 






gooal22

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thanks for the help, ill let ya know how it turns out tomorrow. thanks again.
 






gooal22

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so......it didn't work:mad:

i did everything exactly how it was supposed to be done. is there a possibility that i have a bad MAF or could there be something else. i have a 91 eddie b. with 115,000.

thanks.
 






Positive Vibes

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It didn't work????

Not sure what your problem is? Truck wont run? Have CEL on? What exactly is the problem??
 






Rhett

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You never said what problems your truck was having in the first place. If it has rough idle and stumbling acceleration, it could be a dirty MAF, but it could also be
a vacuum leak, worn out spark plugs, bad gas, worn plug wires, dirty injectors, bad PCM, among other things.
 






TheRookie

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or bad iac. strange thing is my 91 has phillips screws holding the MAF. Thats how it was when I got it.
 






gooal22

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Lacks power/hesitation when i am driving at higher speeds(normally over 50) or at wide open throttle.

it also has a ping/knock when at wide open throttle.

the truck has a slight rough idle. it never soudns like it is goin to die, but it does sound like it skips a beat here and there.
 






Bashman

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Sounds like the notorious lower intake manifold vacuum leak. I would try re-torquing the bolts. You might end up having to replace the gasket. Do a search, there's tons of threads on how to do it.
 






gooal22

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well i did a search, and looked around and found some info on the lower intake manifold, but i couldn't find anything on how to fix it.
 






Bashman

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Try re-torquing the lower intake bolts, there's a sequence to it and the easiest way to get the sequence is to purchase a manual (Haynes, Chilton etc) if you don't already have one. Some members here have reached them all with a swivel socket and didn't have to remove the upper intake while others have had to remove it. Just remember to reset the computer after re-torquing.
 






Rhett

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I'd recommend you re-torque the lower intake manifold bolts as well...it's easy and worth it before you go out and spend $$$ on O2 sensors, new wires and plugs, or other things.

On my truck I HAVE to remove the upper intake manifold to reach the lower intake manifold bolts. I have lots of swivels too.

I think since your 91 has no EGR, it will be easier to get down there. If not, it's pretty easy to remove the upper intake; there's just a few hoses and such to undo.
 






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