95 SSE running problem**FIXED** - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-10-2008, 08:36 PM   #1
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Default 95 SSE running problem**FIXED**

Hi guys,

problem is for my 95 SSE vin K

Problem:

After the car is heat soaked and running on the highway, in 4th gear over drive
the car losses all power, but does not shut off.

I'll be going up to speed and the RPM'* will drop to like idle speed and the throttle is gone, so I pull over and the car is either running really rough or running at idle fine, until I give it gas then it sputters.

or I pull over and I shut it off and let it sit for 2 minutes and start it up and its fine for two or three miles and same thing all over again.
To me it seems like a fuel starvation problem .....

The cat is not plugged either

Todd...
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Old 03-10-2008, 08:47 PM   #2
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oh and the engine light is not on
no warning lights for that fact
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Old 03-10-2008, 10:21 PM   #3
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I'm a new guy (but old guy too), but my $.02 would be all over checking fuel pressure and replacing the fuel filter. Sounds exactly like restricted flow to me. The experts will probably ask you what your pressure is and how long ago you replaced the filter.
Back to my nap.
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Old 03-10-2008, 11:10 PM   #4
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the fuel filter is not that old maybe 8 months old.
the fuel pressure regulator is not leaking down either...
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Old 03-10-2008, 11:19 PM   #5
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Take your fuel pressure gauge with you. The next time it happens, pull over and check the pressure immediately. Fuel pumps can do this when they overheat.
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Old 03-10-2008, 11:38 PM   #6
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Quote:
Originally Posted by willwren
Take your fuel pressure gauge with you. The next time it happens, pull over and check the pressure immediately. Fuel pumps can do this when they overheat.
if and when I determine that it is the fuel pump, is this a hard job to do?
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Old 03-10-2008, 11:51 PM   #7
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So here is a piece of forgotten information to mention:

The last time this happened the 'engine' and 'trac off' went on and then the car did die, in fact i have been running thre car for 10 minutes in the garage and the car acted up again.
The engine light is on the trac off light is on and the car did die.
after that I tried to start the car and the car just turns over really fast, no start.

But if I wait like 5 minutes it will run fine until hot again...

you know what I bet this is a fuel pump...it has never been done to this car at 137.XXX miles

it'* due
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Old 03-11-2008, 10:32 AM   #8
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On replacing the fuel pump.
Hardest part for me was getting the fuel out (had just filled it), since it is impossible to get a siphon hose down the long filler.
  • Basically, you take the exhaust loose.
    You can cheat on that, but bite the bullet and go ahead and take it loose at the manifold hookup too. You will have more room and would probably end up having to replace the gasket ring anyway (I did).
    Then it is just a matter of unplugging the harness at the side and dropping the tank (2bolts)
A side note; I've been reading where there also seems to be a common problem with losing the ground to the pump. Suppose to be a ground bus under the carpet/trim at the bottom of the driver door opening and this is where the pump is grounded. Seems to be a problem with corrosion in northern climates. Might give that a quick look/see. There'* an outside chance that the pump is only getting partial current if the ground is cruddy.
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Old 03-11-2008, 11:16 AM   #9
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Yes, cleaning the grounds is always a good place to start. It'* in Techinfo.
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Old 03-11-2008, 07:54 PM   #10
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Todd, when the car died did it just simply die or Sputter?

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