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71 oldsmobile nintey-eight turns off by itself

Ive changed the fuel filter, gas pump... last time i started it it was throwing smoke from half way down the mufflers, also shakes before turning off.

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  • Expert
  • 165 Answers

Needs a tune up

Posted on Jan 17, 2013

6 Suggested Answers

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Posted on Jan 02, 2017

frcs68
  • 1605 Answers

SOURCE: my motor shakes

1). mis fire on one or more cylinders
2). timing
3). fuel flow
4). air flow
lets go with these for now.

Posted on Oct 22, 2008

SOURCE: whear is the fuel filter in my 1993 oldsmobile

Under vehicle,about even with and under rear pass door

Posted on Mar 15, 2010

  • 880 Answers

SOURCE: problem is dies going down road starts and stall

From what you've said I am inclined to think you might have trash in the fuel tank and the new pump filter is getting clogged.

Posted on Mar 29, 2010

SOURCE: My 1993 oldsmobile ninety is turning off by itself

I could only guess,without the vehicle and some testing,but the shaking, if only at an idle,could be several different issues,from the idle control solenoid to ignition issues.
What comes to mind,that I would check,seeing as how it is 18 years old,would be a worn timing chain.
It could mimic ignition problems and mechanical timing does effect the ignition,thus the shaking at very low rpm,as you shut it off. Again only a guess.

You need to know the condition of the spark plugs,rotor and dist cap and igniton timing

The fuel filter,somehow seems to have a lot of people confused. It filters fuel,simply leave it at that,unless totally clogged,then fuel pressure comes into play.

A total loss of power from start to 50 mph,you look at the fuel filter and bocked exhaust, mainly the converter,otherwise forget the filter.

Posted on Nov 05, 2010

  • 14036 Answers

SOURCE: I have a 1999 ford expedition i have been have

GO TO AUTO PARTS STORE BUY A FUEL PRESSURE GAUGE THAT CAN CHECK FUEL PRESSURE UP TO 100 PSI. LOCATE YOUR FUEL PRESSURE TEST PORT.LOOK FOR SCHRADER VALVE ON FUEL LINE NEXT TO EGR VALVE.PLACE A RAG NEAR THE SCHRADER VALVE AS YOU INSTALL FUEL PRESSURE GAUGE TO CATCH GAS SPILL AS YOU SCREW IN FUEL PRESSURE GAUGE HOSE FUEL PRESSURE 30 - 45 PSI WITH ENGINE RUNNING. THE ENGINE MUST BE OFF HOOK UP THE FUEL PRESSURE GAUGE.IF YOU HAVE TROUBLE THE FUEL PRESSURE GAUGE WILL HAVE INSTRUCTION HOW TO HOOK UP FUEL PRESURE GAUGE.BE CAREFUL CHECKING FUEL PRESSURE IS DANGEROUS JOB.DONT ALLOW NO MASSIVE FUEL SPRAYING WHEN HOOKING UP FUEL PRESSURE GAUGE YOU WILL GET CAR FIRE.

Posted on Jan 04, 2011

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1 Answer

So i change the fuel pump, not when i try to start it. it just turns over and wont fire. before it went down, it was shotting black smoke, running real shotty and would literally die upon starting or not...


first things first you should stop just throwing parts at a broken car its a waiste of your money...
first things first, check to make sure you have spark, then check the fuel pressure, can you hear the fuel pump working when you first turnthe key one with out starting the engine, also verify that you have power to the fuel pump. 90% of all fuel pumps replaced are missdiagnosis's. most of the time its the fuel pump relay. so check these things first before replacing anything else.

Aug 19, 2011 | 2003 Oldsmobile Alero

1 Answer

In the middle of driving the car would start sputtering like its not getting any gas to the engine. the engine does not stall or turn off. it well then regain some impulse but go back down again. the fuel...


do a full tune up on the vehicle.. 99.9% of the time this fixes the problem... do an oil change. replace fuel filter, spark plugs. plug wires if NEEDED and air filter if NEEDED.. also buy your self some fuel injector cleaner. if you follow my directions i can almosdt gurantee it fixes your problem and you will have noticably better gas mileage and power

Mar 22, 2011 | 1992 Oldsmobile Ninety Eight

1 Answer

We put gas in our car and it turns over but won't start.....and it don't sound like the fuel pump s turnin on and smels lke no gas is going to the engine....is it possibe that the fuel pump is out and...


It is possible that is plugged. The fuel pump is in the gas tank. when you turn the key on you should hear the fuel pump turn on. I would check fuses first, if they are good while you are cranking the car over have someone else bang hard on bottom of the gas tank with their hand. If the fuel pump is stuck it might start working again. Good luck

Aug 28, 2010 | 1994 Oldsmobile Eighty Eight

2 Answers

Whear is the fuel filter in my 1993 oldsmobile nintey eight


The fuel filter is located in the frame rail behind the right front wheel area.this will be on the inside of the frame rail.Make sure you relieve the fuel pressure before removing the filter lines.You will get fuel coming out when you remove the lines.Hope this helps.Good luck.

Mar 15, 2010 | 1993 Oldsmobile Ninety Eight

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