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vaclinesefi.jpg Typical EFI Vacuum Lines (V8 shown; I6 similar)
IF THE IMAGE IS TOO SMALL, click it.
NOT SHOWN: pre-'93 vacuum cruise servo, brake booster hose & check valve

For colored hard plastic vacuum lines under the hood:
RED is the Ford standard color for manifold vacuum (the MAP is a notable exception - it's black)
BLACK (hard plastic only, shown Dk.Gray) is the Ford standard color for checked or reservoir vacuum
PINK is the Ford standard color for TAB
YELLOW is the Ford standard color for TAD (different function in the dash)
GREEN is the Ford standard color for EGR
WHITE is the Ford standard color for the fresh/recirc door for the HVAC system

Early 2-port HVAC check valve shown.  Most trucks use a 3-port check valve which also connects to the HVAC reservoir.
Early coffee-can reservoir shown; '94-up use a superior molded plastic reservoir which is easy-to-find in JYs and an easy swap.
MAF engines do not use a MAP sensor.
'96 engines do not use TAB, TAD, or CANP (not shown); they use VMV (not shown) where the MAP is shown.

MAP sensor is [url=https://www.amazon.com/dp/B004A2BE9K/]Motorcraft CX-2403[/url] for all engines '87-95 (except MAF)

Before madly ripping out all the emissions systems on your vehicle, read [url=http://www.fourdoorbronco.com/board/showthread.php?5427-Emissions-Systems]this article[/url] to learn how each one benefits the engine.

See also:
[url=https://www.supermotors.net/registry/media/1090170][img]https://www.supermotors.net/getfile/1090170/thumbnail/siliconevac.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/1055574][img]https://www.supermotors.net/getfile/1055574/thumbnail/pcv93.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/894692][img]https://www.supermotors.net/getfile/894692/thumbnail/cruiseservoearly.jpg[/img][/url] . [url=https://www.supermotors.net/vehicles/registry/media/858380][img]https://www.supermotors.net/getfile/858380/thumbnail/veci.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/280795][img]https://www.supermotors.net/getfile/280795/thumbnail/brake-booster-cutaway.jpg[/img][/url] . [url=https://www.supermotors.net/vehicles/registry/media/72428][img]https://www.supermotors.net/getfile/72428/thumbnail/vacuum-94-5.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/589993][img]https://www.supermotors.net/getfile/589993/thumbnail/secondaryair.jpg[/img][/url] . [url=https://www.supermotors.net/vehicles/registry/media/252396][img]https://www.supermotors.net/getfile/252396/thumbnail/secondaryair50l.jpg[/img][/url] . [url=https://www.supermotors.net/vehicles/registry/media/894688][img]https://www.supermotors.net/getfile/894688/thumbnail/intakev8efi.jpg[/img][/url] . [url=https://www.supermotors.net/vehicles/registry/media/148979][img]https://www.supermotors.net/getfile/148979/thumbnail/5.8l-tad.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/900088][img]https://www.supermotors.net/getfile/900088/thumbnail/vacsols.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/741015][img]https://www.supermotors.net/getfile/741015/thumbnail/hvacvac.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/931421][img]https://www.supermotors.net/getfile/931421/thumbnail/coffeecanopen.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/545664][img]https://www.supermotors.net/getfile/545664/thumbnail/vacres9497.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/767412][img]https://www.supermotors.net/getfile/767412/thumbnail/recircline.jpg[/img][/url]
vaclinesefi.jpg | Hits: 24233 | Posted on: 11/6/11 | View original size (344.83 KB)

Typical EFI Vacuum Lines (V8 shown; I6 similar)
IF THE IMAGE IS TOO SMALL, click it.
NOT SHOWN: pre-'93 vacuum cruise servo, brake booster hose & check valve

For colored hard plastic vacuum lines under the hood:
RED is the Ford standard color for manifold vacuum (the MAP is a notable exception - it's black)
BLACK (hard plastic only, shown Dk.Gray) is the Ford standard color for checked or reservoir vacuum
PINK is the Ford standard color for TAB
YELLOW is the Ford standard color for TAD (different function in the dash)
GREEN is the Ford standard color for EGR
WHITE is the Ford standard color for the fresh/recirc door for the HVAC system

Early 2-port HVAC check valve shown. Most trucks use a 3-port check valve which also connects to the HVAC reservoir.
Early coffee-can reservoir shown; '94-up use a superior molded plastic reservoir which is easy-to-find in JYs and an easy swap.
MAF engines do not use a MAP sensor.
'96 engines do not use TAB, TAD, or CANP (not shown); they use VMV (not shown) where the MAP is shown.

MAP sensor is Motorcraft CX-2403 for all engines '87-95 (except MAF)

Before madly ripping out all the emissions systems on your vehicle, read this article to learn how each one benefits the engine.

See also:
. . . . . . . . . . . . . .
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