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well..I cant find my MAF..Little help?
#550007 March 20th 2012 11:10 pm
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(Vehicle-94 ford econoline e150 4.9L) Maybe im near blind but i cant find my mass airflow sensor or the wiring harness but i definately CAN find my air intake duct...My manual said it should be located there, maybe it was for a different engine type? I dunno.

I have looked all around this area and cant find nothin. Shouldn't the MAF be located around the air duct/housing? Do i even have a MAF? lol

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94 Ford E150 4.9L inline 6 "Bad Company"
Re: well..I cant find my MAF..Little help?
mrmattvan #550019 March 21st 2012 1:41 am
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You don't have a MAF based fuel injection system. You have a speed density system that uses a MAP but doesn't have a MAF.


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Re: well..I cant find my MAF..Little help?
mrmattvan #550024 March 21st 2012 2:21 am
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Theres your MAP (manifold absolute pressure) sensor in the top left part of your circle bolted down on top of your HVAC box.

Re: well..I cant find my MAF..Little help?
mrmattvan #550026 March 21st 2012 2:26 am
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OHHHHHHHHHHHH! Thanks reed! This was blowing my mind..

Would a OBD-1 code#129 be a MAP problem? I was thinking MAF but i guess not having one rules that out..lol


94 Ford E150 4.9L inline 6 "Bad Company"
Re: well..I cant find my MAF..Little help?
Ken_Hopcraft #550027 March 21st 2012 2:29 am
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Originally Posted by Ken_Hopcraft
Theres your MAP (manifold absolute pressure) sensor in the top left part of your circle bolted down on top of your HVAC box.


Thanks for the help! I was about to go insane lol!


94 Ford E150 4.9L inline 6 "Bad Company"
Re: well..I cant find my MAF..Little help?
mrmattvan #550041 March 21st 2012 5:20 am
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Originally Posted by mrmattvan
Thanks for the help! I was about to go insane lol!


It is a SHORT TRIP, you're a member of vanning.com , we are all a little crazy ! lol


My van : 1989 Ford E-150 Econoline, currently named “WOLF-DEN II”


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Re: well..I cant find my MAF..Little help?
Uncle_Fester #550072 March 21st 2012 9:53 am
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Originally Posted by Uncle_Fester
Originally Posted by mrmattvan
Thanks for the help! I was about to go insane lol!


It is a SHORT TRIP, you're a member of vanning.com , we are all a little crazy ! lol


lol! At least i don't have to hide it here laugh


94 Ford E150 4.9L inline 6 "Bad Company"
Re: well..I cant find my MAF..Little help?
mrmattvan #550074 March 21st 2012 10:16 am
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Matt, check the vacuum hose to your MAP carefully. Even a slight split or small pinhole will throw you a code. A collapsed hose will do it too(or as me and you say here in GA: a mashed hose lol )

Re: well..I cant find my MAF..Little help?
mrmattvan #550081 March 21st 2012 10:44 am
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Do they still "mash" a light switch down that way ? lol

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