MAP sensor Vacuum line

rasalibre · September 18th, 2009, 11:54 PM

where does the MAP sensor vacuum line connect too?

mxnate116 · September 19th, 2009, 01:00 AM

the vacuum tree under the intake manifold. facing backwords. that or the tree on the firewall.

Chris951 · September 19th, 2009, 01:02 AM

It connects to the back underside of the manifold. You're gonna have to pull the manifold if you have big hands.

flyin ryan · September 19th, 2009, 02:41 AM

is your car converted to maf? if it's not you don't hook a vacuum line up to the bap/map sensor

rasalibre · September 19th, 2009, 03:23 AM

yes I have MAF so which line does it hook up too?

Arctic Fox · September 19th, 2009, 04:38 AM

Originally Posted by rasalibre

yes I have MAF so which line does it hook up too?

Nothing. It's one or the other, not both. With MAF the MAP acts as a barometric sensor, i believe the sensor itself is the same but it is just left open.

Ford Fuel Injection » Barometric Pressure Sensor (BP)

1fst5.0 · September 19th, 2009, 12:08 PM

yup, leave it open. thats what i had to do when i converted mine.

88foxbod · June 28th, 2010, 02:48 PM

sorry to bump an old thread....

My car is SD (for now) and I dont understand where the vacuum tree behind the intake is, is it the one that is connected to the upper manifold?

September 18th, 2009, 11:54 PM	#1
rasalibre Regular 1988 Mustang LX Coupe N/A Join Date: Nov 2008 Location: Salem, Oregon Posts: 216 iTrader: 0 reviews	MAP sensor Vacuum line where does the MAP sensor vacuum line connect too? __________________ -Joe Alvarez

September 19th, 2009, 01:00 AM	#2
mxnate116 MM Fanatic SVTfocus, F250 Join Date: Jun 2007 Location: Spokane, WA Posts: 3,336 iTrader: 1 reviews	the vacuum tree under the intake manifold. facing backwords. that or the tree on the firewall. __________________

September 19th, 2009, 03:23 AM	#5
rasalibre Regular 1988 Mustang LX Coupe N/A Join Date: Nov 2008 Location: Salem, Oregon Posts: 216 iTrader: 0 reviews	yes I have MAF so which line does it hook up too? __________________ -Joe Alvarez

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September 19th, 2009, 01:02 AM	#3
Chris951 Sheriff Metal Face 1990 Notch 5.0 Join Date: Aug 2007 Location: Tempe, AZ Posts: 5,196 iTrader: 0 reviews	It connects to the back underside of the manifold. You're gonna have to pull the manifold if you have big hands.

September 19th, 2009, 02:41 AM	#4
flyin ryan Banned Join Date: Jun 2008 Posts: 3,387 iTrader: 0 reviews	is your car converted to maf? if it's not you don't hook a vacuum line up to the bap/map sensor

September 19th, 2009, 12:08 PM	#7
1fst5.0 Regular 1986 mustang gt Join Date: Apr 2009 Location: el paso tx Posts: 189 iTrader: 0 reviews	yup, leave it open. thats what i had to do when i converted mine.

June 28th, 2010, 02:48 PM	#8
88foxbod Newbie Join Date: May 2010 Posts: 11 iTrader: 0 reviews	sorry to bump an old thread.... My car is SD (for now) and I dont understand where the vacuum tree behind the intake is, is it the one that is connected to the upper manifold?

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