FUEL PRESSURE SPECIFICATIONS - Las Positas College

FUEL PRESSURE SPECIFICATIONS

AUDI 1985 ? 00

AFC, MOTRONIC

Engine 2226cc 2226cc 2309cc 2771cc 3562cc 3697cc 4172cc 4172cc

CIS, CIS--E

Engine 1780cc 1984cc 2144cc 2226cc 2309cc

Year 1991 1992--95 1992 ? 93 1992 ? 99 1990 ? 91 1997 1992 ? 93 1997--99

System w/o vacuum

(PSI) 43 ? 46 58 ? 61

? 55 ? 61 58 ? 62

61 58 ? 62

61

System w/vacuum

(PSI) 35 ? 39

? 55 ? 61 48 ? 54 49 ? 54

52 49 ? 54

41

System CIS--E CIS--E

CIS CIS--E CIS?E

Year 1985--87 1988--90

1985 1985--86 1987--91

System PSI

75--82 88--96 68--78 75--82 89--94

Residual (PSI)

36 ? 40 49 ? 54

46 32 ? 44 43 ? 50

44 43 ? 50

44

Control PSI ? ?

49--55 ? ?

BMW 1985 ? 00

Engine 1766cc 2302cc 2494cc 2693cc 3428cc 3453cc 4988cc

With engine at normal operating temperature and idling.

Year 1985 1988--91 1988--92 1985--88 1988--92 1988--90 1988--92

Control (PSI) 42--44 42--44 42--44 35--37 42--44 42--44 42--44

System (PSI) 40--47 40--47 40--47 33--38 40--47 40--47 40--47

BUICK 1985 ? 00 CARBURETED & TBI

Engine

Year

1.8L (112) TBI

1985--86

2.0L (122) TBI

1985--89

2.5L (151) TBI

1985--92

2.8L (173) 2V

1985--86

3.0L (181) 2V

1985

3.8L (231) 2V

1985--87

5.0L (305) 4V

1985--87

5.0L (307) 4V

1985--90

5.0L, 5.7L TBI

1991--93

13 PSI minimum deadhead

Pressure @ idle (PSI) 9.0--13.0 9.0--13.0 9.0--13.0 5.5--6.5 5.5--6.5 5.5--6.5 5.5--6.5 5.5--6.5 9.0--13.0

Differential PSI

68--79 81--91

? 68--79 81--90

Residual PSI 38 48

35--38 38 51

BUICK (con't) 1985 ? 00

FUEL INJECTED (MFI) Engine

1.8L (112) Turbo 2.2L, 2.3L (138), 2.4L 2.8L (173) 2.OL (122) Turbo 3.0L (181) 3.0L (181) 3.0L (181) 3.1L 3.3L 3.3L 3.4L 3.4L 3.8L (231) 3.8L (231) Code 3 3.8L (231) Code C 3.8L Code K 3.8L Code L,1 5.7L

Year 1985--86 1988--98 1985--89

1987 1985--86

1987 1988 1989--00 1989 1990--92 1994--95 1996--97 1987 1988 1988--90 1995--00 1990--95 1994--96

CADILLAC 1985 ? 00

Engine 2.0L (122) 2.8L (173) 3.0L 3.0L 4.1L (250), 4.5L (279) TBI 4.5L, 4.6L, 4.9L 4.5L, 4.6L, 4.9L 4.5L, 4.6L, 4.9L 5.0L 5.0L (307) 5.7L 5.7L

Year 1985--86 1985--88 1997--98 1997--00 1985--89

1990--94 1995

1996--98 1991--92 1986--90 1990--93 1994--96

Rest Pressure

(PSI) 30--40 40.5--47 40.5--47 35--38 37--43 34--43 40--47 40.5--47 40--44 40--47 40.5--47 48--55 34--43 34--40 40--47 48--45 40--47 40--47

Pressure @ Deadhead

(PSI)

Pressure (PSI)

24--37 30.5--44 30.5--44 25--30 31--40 29--34 31--42 30.5--44 32--46 31--44 30.5--44 38--52 29--34 25--35 37--43 38--52 30.5--44 30.5--44

60 min. 47 min. 60 min. 65 min. 75 min. 75 min. 75 min. 47 min. 50 min. 47 min. 47 min. 55 min. 75 min. 75 min. 75 min. 55 min. 47 min. 47 min.

Rest Pressure

(PSI) ?

40.5--47.0 46--59 46--59 ?

Pressure @ idle (PSI) 9--13

30.5--44.0 -- --

9--12

40--50 40--50 46--59

? ? ? 41--47

32--38 -- --

9--13 5.5--6.5

9--13 31--44

Deadhead Pressure

(PSI) 13 min. 60 min.

-- -- ?

? -- -- 13 min. ? 13 min. ?

CHEVROLET 1985 ? 00

1987 ? 88 Includes all models except Nova, Spectrum, Sprint. 1989 ? 00 Includes all models except Geo, Sprint, Lumina APV, Venture

CARBURETED & TBI

Engine

Year

1.6L (98)

1985 ? 87

2.0L (122), 2.2L

1985 ? 93

2.5L (151) exc.

1985 ? 92

2.5L Lumina

1990 ? 92

2.8L (173) 2V

1985--86

3.8L (231)

1985 ? 87

4.3L (262)

1986--93

5.0L (305), 5.7L TBI 1988--93

5.0L (307), 4V

1989

8 ? cyl. 4V

1985--88

13 PSI minimum deadhead

Pressure @ idle (PSI) 5.5 ? 6.5 9.0 ? 13.0 9.0 ? 13.0 26 ? 32 5.5--6.5 5.5--6.5 9--13 9--13 5.5--6.5 5.5--6.5

CHEVROLET (con't) 1985 ? 00

GASOLINE MFI

Engine 2.2L, 2.3L, 2.4L 2.8L (173), 3.1L 3.1L Flex. fuel 3.4L 3.4L 3.4L 3.8L 4.3L 5.0L (305) 5.7L (350) Corvette 5.7L (350) exc. 5.7L DOHC

Year 1989 ? 00 1985 ? 00 1993--94 1991 ? 95

1996 1997--00 1995 ? 96 1994 ? 96 1985--92

1985 1986--00 1990--94

Rest Pressure

(PSI)

40.5--47 40.5--47 48--55 40.5 ? 47 48--55 41--47 48--55 40.5--47 40.5--47 34--39 40.5--47 48--55

Pressure @ idle (PSI)

30.5--44 30.5--44 38--52 30.5 ? 44 38--52 31-- 44 38--52 30.5--44 30.5--44 24--36 30.5--44 38--52

Deadhead Pressure

(PSI)

47 min. 47 min.

-- 47 min. 55 min. 47 min. 55 min. 47 min. 60 min. 60 min. 47 min. 55 min.

CHEVROLET/GMC TRUCKS 1985 ? 00

Includes Chevrolet Lumina APV, Oldsmobile Bravada & Silhoeutte, Venture, Pontiac Trans Sport, Isuzu Hombre

CARBURETED & TBI

Engine

Year

1.9L (119)

1985

2.5L (151)

1985--92

2.8L (173) 2V

1985

2.8L (173), 3.1L TBI 1985--96

4.3L (262) 4V

1985--86

4.3L (262) TBI

1985--94

7.4L

1994--96

8 ? cyl.; Diesel

1987 ? 92

8--cyl.

1985

8--cyl. 4V

1986--87

8--cyl. TBI

1987--93

8--cyl.: 5.0L, 5.7L

1994--96

13 PSI minimum deadhead

Pressure @ idle (PSI) 4.0--6.5 9--13 6--7.5 9--13 4.0--6.5 9--13 26 ? 32 5.5 ? 6.5 7.5--9.0 * 4--6.5 9--13 9--13

MFI @ CFI

Engine

Year

2.2L, 3.4L

1994 ? 96

3.8L

1992 ? 95

4.3L CFI

1992--95

4.3L Turbo

1991 ? 93

4.3L, 5.0L, 5.L, 7.4L 1996 ? 00

* With vapor return line, 5.5 ? 7.0

Rest Pressure

(PSI) 41--47 40--47 55--61 38 ? 43 60 ? 66

Pressure @ Deadhead

(PSI)

Pressure (PSI)

31--44 30--44 37--43 25 ? 30 50 ? 63

47 min. 47 min. 61 min. 65 min. 66 min.

CHRYSLER MOTORS CORPORATION 1985 ? 00 Chrysler, Dodge, Plymouth & Eagle Vision (Includes FWD Vans)

Engine 2.0L 2.0L 2.0L, 2.4L 2.4L 2.7L, 3.2L Long. Eng. 3.3L 3.3L CNG 3.3L CNG 3.3L CNG 3.3L Flex fuel 3.5L 5.2L (318), 5.9L 6--cyl. MFI Trans. 6--cyl. Trans. engines: 2.5L 8 cyl. 8--cyl. All carbureted EFI Turbo EFI Turbo, Flex. Fuel MFI MFI Flexible Fuel TBI (early) TBI (late)

Year 1997 1998--00 1996 1997 1998--00 1993--97 1995 ? 97 1987 ? 96 1997 1998--00 1993--97 1985--89 1987--94 1995 ? 97

1998--00 1987 ? 89 1985--87 1985--86 1987--94

1995 1987 ? 94 1986--91 1991--95

Rest Pressure

(PSI) ? -- ? ? --

53--57 ? ? ? --

46--50 ? ? ?

-- ? ? ? ? ? ? ? ?

Pressure @ Deadhead

(PSI)

Pressure (PSI)

48 ? 54

?

46--50

--

48 ? 54

?

47 ? 51

?

44--54

--

44--48

?

90 ? 140

?

46 ? 50

?

47 ? 51

?

50--60

--

37--41

?

5.8--7.3

?

46--50

?

47 ? 51

?

44--54

--

5.8 ? 7.3

?

4.5--6.0

?

51--55

?

53--57

?

47 ? 57

?

53 ? 57

?

13.5--15.5

?

38--40

?

CHRYSLER, DODGE, PLYMOUTH 1985 ? 00

Includes Colt, Conquest, Laser (1990--94) Raider, Ram 50, Stealth, Vista, Sebring Coupe, Avenger

Carbureted & TBI

Engine

Others, 2V 1597cc, 2555cc TBI

Year

1985--86 1985--89

Pressure @ idle (PSI) 4.6--6.0 35--38

Fuel Injected (MFI)

Engine 1468cc FI 1597cc 1755cc, 1834cc 1996cc 1996cc 1997cc 1997cc Turbo 2350cc 2497cc 2972cc 2972cc Pickup 2972cc Turbo Turbo AT Turbo MT

Year 1988--96 1989--90 1989--96 1995 ? 97 1998--99 1987--94 1990--91 1990--96 1995 ? 00 1989 ? 96 1992 ? 93 1991 ? 96 1992--94 1992--94

Pressure @ idle (PSI)

w/o vacuum @ pressure regulator

Pressure @ idle (PSI) w/ vacuum @ pressure regulator

47--50

38

47--50

38

47--50

38

48 ? 54

?

47--50

--

47--50

38

36--38

27

47--50

38

47 ? 51

?

47--50

38

47--53

38

43--45

34

41--46

33

36--38

27

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