what does it do? and the vacuum hoses right beside it, one goes to the intake and one goes to the brake master cylinder. since im doing away with my vac hoses do i need those or can i just plug them off since i dont think they work anyway?

 

You need the brake booster hose and theres one that connects to the brake pedal I think. Otherwise you won t have ac, emissions, or cruise control, also no heat and Im sure theres something else im missing.

 

well i dont have any of that stuff anyway, so oh well. ill keep the brake ones and the intake hose but im deleting the rest, im just trying to clean up the underhood looks

 

leave the intake and brake booster lines alone

what u could do is hide the vac tree inside the cowl panel

might have to extend some lines but i know its been done

 

Btw, the map sensor I think is a barometric pressure sensor and reads the pressure around the car for altitude and gravity and adjusts the engine accordingly. You will need it unless you can somehow delete it.

 

Speed density system = MAP sensor = needs vacuum connected to the sensor.

Mass air/MAF system = BP sensor = no vacuum hose goes connected to the sensor.

 

+1 ^^^^ ...all correct!

 

then how come my 91 has a 5.0 ho (stock from factory) and it has a MAP and a MAF sensors both?? im trying to find out.
thanks
matthew

 

It needs both. the ""MAP"" sensor looks like the "BP" sensor but does not use the vac hose on the nipple. The MAP/BP fits ALL these cars:

(Note that some are SD cars and some are MAF cars)

FORDAEROSTAR(1986 - 1993)FORDBRONCO(1984 - 1994)FORDBRONCO II(1984 - 1990)FORDCROWN VICTORIA(1989 - 1991)FORDE-150 ECONOLINE(1985 - 1986)FORDE-150 ECONOLINE CLUB WAGON(1985 - 1986)FORDE-150 ECONOLINE SUPER(1985 - 1986)FORDE-250 ECONOLINE(1985 - 1989)FORDE-250 ECONOLINE CLUB WAGON(1987 - 1989)FORDE-250 ECONOLINE SUPER(1986 - 1989)FORDE-350 ECONOLINE(1987 - 1989)FORDE-350 ECONOLINE SUPER(1987 - 1989)FORDE-350 ECONOLINE SUPER WAGON(1987 - 1989)FORDESCORT GL(1984 - 1988)FORDESCORT GT(1987 - 1990)FORDESCORT L(1984 - 1985)FORDESCORT LX(1988 - 1990)FORDESCORT PONY(1987 - 1990)FORDEXP1984FORDEXPLORER(1991 - 1993)FORDF-150(1984 - 1995)FORDF-150 LIGHTNING(1993 - 1995)FORDF-150 SUPER CAB(1984 - 1995)FORDF-250(1984 - 1995)FORDF-250 SUPER CAB(1984 - 1995)FORDF-350(1984 - 1995)FORDF-350 SUPER CAB(1988 - 1995)FORDFESTIVA GL(1991 - 1993)FORDFESTIVA L(1990 - 1993)FORDFESTIVA L PLUS1990FORDFESTIVA LX(1990 - 1992)FORDLTD1986FORDLTD BROUGHAM1986FORDLTD CROWN VICTORIA(1987 - 1988)FORDMUSTANG(1983 - 1984)FORDMUSTANG COBRA1993FORDMUSTANG GT(1984 - 1993)FORDMUSTANG L1984FORDMUSTANG LX(1985 - 1993)FORDMUSTANG SVO(1984 - 1986)FORDPROBE LX(1990 - 1992)FORDRANGER(1983 - 1993)FORDRANGER SUPER(1986 - 1993)FORDTAURUS1986FORDTAURUS GL(1987 - 1990)FORDTAURUS L(1987 - 1990)FORDTAURUS LX(1987 - 1990)FORDTAURUS MT5(1987 - 1988)FORDTEMPO(1987 - 1991)FORDTEMPO GL(1984 - 1991)FORDTEMPO GLS1991FORDTEMPO GLX(1984 - 1985)FORDTEMPO L(1984 - 1991)FORDTEMPO LX(1986 - 1991)FORDTEMPO SPORT(1987 - 1990)FORDTHUNDERBIRD(1983 - 1992)FORDTHUNDERBIRD LX(1987 - 1995)FORDTHUNDERBIRD SC(1990 - 1995)FORDTHUNDERBIRD SPORT(1987 - 1988)LINCOLNCONTINENTAL(1984 - 1987)LINCOLNCONTINENTAL GIVENCHY1987LINCOLNTOWN CAR(1984 - 1990)LINCOLNTOWN CAR CARTIER(1987 - 1990)LINCOLNTOWN CAR SIGNATURE(1987 - 1990)LINCOLNTOWN CAR SIGNATURE SE1989MERCURYCAPRI(1983 - 1986)MERCURYCOUGAR(1984 - 1986)MERCURYCOUGAR LS(1987 - 1990)MERCURYGRAND MARQUIS(1984 - 1991)MERCURYLYNX(1983 - 1987)MERCURYLYNX LTS1984MERCURYLYNX XR31987MERCURYMARQUIS(1984 - 1986)MERCURYMARQUIS BROUGHAM(1984 - 1986)MERCURYSABLE(1986 - 1990)MERCURYTOPAZ(1984 - 1991)MERKURSCORPIO(1988 - 1989)

 

what you are deeming the map on your maf equipped car is not a map sensor even though it looks the same as a map.....it is a BAP sensor= Barometric air pressure sensor!!