Question about 1991 Oldsmobile Cutlass Supreme

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I have a 91 oldsmobile cutlass supreme with a 3.4 motor.It was running, now it won't start. checked fuel filter,did a pressure test to fuel rail,both tested ok. put new plugs in,still no luck. noticed when ignition is on the low oil light flashes,does this indicate anything? but oil level is ok.

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Change ignition coil pack.

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Why do my 95 oldsmobile cutlass supreme dies when hit gas

Did you replace the fuel filter as well as the oil filter ?. If there is a good spark at the plugs it has to be a fuel problem . Check the fuel pressure and flow the flow is most important. if the pressure is high the regulator on the fuel rail may be stuck shut . and there will be no flow on the return line.

Aug 16, 2014 | 1995 Oldsmobile Cutlass Supreme

1 Answer

I have a 1990 Oldsmobile Cutlass Supreme and after I changed the fuel filter it still acting as if theres no pressure to the system... How do I pressurize the fuel system?

Well the fuel pump in the gas tank provides fuel pressure.
Have you checked it with a gauge at the fuel injector rail ?

May 06, 2013 | Cars & Trucks

1 Answer

1989 Oldsmobile cutlass supreme stops running while driving and then restarts

Do not know what was first

You only replace parts when they fail a test

Was any testing done?

Was the fuel pump bad?

How was the fuel system tested?

What is the fuel pressure at the motor?

What are the driveability problems then & now?

Dec 18, 2012 | 1989 Oldsmobile Cutlass Supreme

1 Answer

I have 91 olds cutlass supreme new fuel pump filter fule pressure reulator,new coilpac wiers & pluges but car is still stalling what could it be

i had the same issue and i had 4 injectors that were bad(shorted). i replaced all 6 with rebult ones($400) and its starts right up and been runnin fine for a year now..

Oct 06, 2012 | 1989 Oldsmobile Cutlass Supreme

1 Answer

I have a 1992 Oldsmobile Cutluss Supreme was going down road the other night and just died, changed battery after having old one on charger for a day and getting know place, the car now cranks and turns...

to check fuel pressure you have to use a gauge not just push on the schrader valve to see if gas squirts out.these systems run at 35lbs pressure anything much less and it will not start.also check the fuel volume as if its low the pump cannot supply enough to fuel the motor to run it won`t.

Apr 03, 2012 | 1992 Oldsmobile Cutlass Supreme

1 Answer

I have a 95 oldsmobile 3.1 v6 that i just replaced fuel filter and pump but now wont start its getting fuel at the rail bleader

Was it dead before you replaced the pump? If so then check for spark. Just because the pump is new and you are getting fuel to the rail doesn't mean it's at the correct pressure. Check the pressure and also check for injector pulse at the injector harness connector. You can do this with a "noid light" (Harbour Frieght under $10). Let me know what you find.

Sep 02, 2011 | 1995 Oldsmobile Cutlass Supreme

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