car does not start

Asked by Dec 14, 2014 at 03:18 PM about the Oldsmobile Cutlass Supreme

Question type: General

91 olds cutlass wont start. has new fuel pump,good spark to the plugs,45lbs fuel pressure ,good injector pulse,good engine compression.as soon as the fuel pump shuts down fuel pressure drops to 0.it will start with carb cleaner spayed into intake.trayed pinching off fuel return hose,makes no difference.I have been a tech for 50 yrs but i am mistified

5 Answers

65,645

Sound,s like you have good fuel pressure,if this at the fuel rail?

65,645

But if loosing pressure that fast,something is not right with,the fuel system,should hold it for a good while.

65,645

Check the fuel pressure regulator,may be bad,

1 of 1 people found this helpful.

mark already changes pressure regulator no change

65,645

Are you sure the timing is correct?It take ,s timming to put the fuel and fire together,the ECM controls,the injector,s same as plug,s.

Your Answer

Add photo

Related Questions

Cutlass Supreme

Looking for a Used Cutlass Supreme in your area?

CarGurus has 127 nationwide Cutlass Supreme listings starting at $1,995.

ZIP:

Search Oldsmobile Cutlass Supreme Questions

Oldsmobile Cutlass Supreme Experts

#1 munron
munron
Reputation 660
#2 tennisshoes
tennisshoes
Reputation 410
#3 Tom Demyan
Tom Demyan
Reputation 340
View All

Related Models For Sale

Used Chevrolet Monte Carlo
20 Great Deals out of 1,419 listings starting at $1,995
Used Oldsmobile Cutlass
125 listings starting at $1,600
Used Lamborghini Murcielago
44 listings starting at $154,514
Used GMC Sprint
4 listings
Used Chevrolet Impala
590 Great Deals out of 34,064 listings starting at $899
Used Buick Regal
131 Great Deals out of 11,077 listings starting at $2,999
Used Chevrolet Caprice
151 listings starting at $10,900
Used Chevrolet Camaro
244 Great Deals out of 31,194 listings starting at $369
Used Ford Mustang
543 Great Deals out of 45,845 listings starting at $1,999
Used Dodge Challenger
211 Great Deals out of 23,433 listings starting at $7,990
Used Ferrari 456M
4 listings
Used Pontiac Firebird
4 Great Deals out of 768 listings starting at $1,791
Used Chevrolet Corvette
149 Great Deals out of 20,684 listings starting at $3,995
Used Dodge Charger
454 Great Deals out of 29,324 listings starting at $2,300

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.