mass air flow sensor?
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Senior Member
Joined: May 2000
Posts: 252
Likes: 0
From: Los Angeles, CA, US
mass air flow sensor?
What exactly does a mass air flow sensor do? Also, what kind are available for our 5.4L Expeditions and what kind of performance gains should we expect? Thanks for the help.
Senior Member
Joined: Nov 2000
Posts: 1,126
Likes: 0
From: Texas
Go to truckperformance.com and click on air managment and it'll tell ya all you need to know. They cost around 400.00! 
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2000 EB EXPY
5.4,3.55LS
K&N
Superchip
Gibson SS exhaust
Royal Purple 5w-30
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2000 EB EXPY
5.4,3.55LS
K&N
Superchip
Gibson SS exhaust
Royal Purple 5w-30