Question about 1989 Oldsmobile Cutlass Supreme

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89 olds cutlass supreme

Runs with a miss and shuts off when hot, does not run hot has no power to climb hill.

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  • Anonymous Mar 22, 2014

    does not want to climb a hill and runs hot

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Had the same problem with my 89 cutlass the prob was several injectors would short out when the engine was full warmed up but sometimes u can have a clogged injectors you can have the dealer check or clean them or for like $8.00 chevron with techron injector cleaner has work on dirty injector problems also the miss is hard to pinpoint since i dont know whats been done maintainance wise it could be injectors or spark plugs n wires both should be check hope this helps

Posted on Jun 13, 2008

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Hi I have a 1991 Olds Cutlass Supreme, with a 3.1 liter engine. My problem is when the car warms at stops it runs rough. Sometimes shuts off. Sometimes when crusing at speeds 30-50 the car sort of jerks...


My 3.4 liter 91 Cutlass Supreme has similar problem when warm the engine misses (car jerks). But its fine at idle and without any accelerator pressure. The SERVICE ENGINE light also comes on intermittantly. I am going to test the ignition coils.

Oct 25, 2010 | 1991 Oldsmobile Cutlass Supreme

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I was driving home from work and the car completely shut off while going up a big hill. Before that happened, I saw that the RPM's were climbing and then plunging. I was pressing on the gas, but the car...


Sounds as though your engine management chip maybe beginning to die. I should get it checked professionally. If it is the chip, it will cost you a packet to rplace.

Jan 01, 2010 | 1996 Oldsmobile Cutlass Supreme Coupe

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89 olds cutlass supreme hard time turning over


My 89 olds cutlass did the same thing....Shop fixed her, they replaced the knock sensor....I also had the fuel filter replaced, they sold me a can of MG injector cleaner too..Out on the highway the service engine light would come on and she would cut out under a load....Then she would crank but not start ( she would start eventually).....Runs great now....bill was $250

Aug 18, 2009 | 1993 Oldsmobile Cutlass Supreme

1 Answer

1996 olds cutlass supreme when it get hot car will shut down any suggestions??


ignition control module!!!!! see it all the time , they get hot and brake down . Replace it and it will run like new.Hope this helps you out!

Jun 03, 2009 | 1996 Oldsmobile Cutlass Supreme Coupe

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Missing and backfiring during acceleration and climbing hills.


Could be vapor lock in the fuel system. Next time it does this, stop and try removing the fuel filler cap... Hope this helps...;-)

Apr 14, 2009 | 2002 Chevrolet Silverado

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Engine stops running after warming up.


you have a failing crankshaft position sensor

Apr 13, 2009 | 1990 Oldsmobile Cutlass Supreme Conv

1 Answer

Cutlass supreme oldsmobile 1990 running hot


Check to see if your electric radiator fan is turning on. These cars are known for the temperature switch that turns on the fan to go bad. Also, a highly overlooked problem, make sure the fins on your radiator and condenser aren't blocked with debris. Shine a flashlight on the opposite side and look through. Good luck!

Mar 14, 2009 | 1990 Oldsmobile Cutlass Supreme Conv

1 Answer

Truck heats up climbing a hill


replace the thermostat and check coolant levels. your saying the inside heater blows hot air right?

Mar 08, 2009 | 1989 Ford F 350

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