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.

Mystery problem

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Old 08-13-2005, 11:19 AM
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Default Mystery problem

Ok so last night I was driving to a friends place and my car cut out on me. I was driving down a hill (steep pitch forward) and my car announced to me to look at my gauges, and not even a second later, my engine cut out. I had to coast the rest of the way down the windy steep road on manual steering and brakes. Well once I got to level ground, I was able to start it up again.

Anyways, I had a theory that it was to due with my gas. I had about a quarter of a tank left, and from my experience, when the car is leaning forward on a grade, the gas level gauge drops. Could it have sloshed so forward in the tank that the engine stopped receiving gas?

Or is it more likely that I had some sort of electrical malfunction?
Old 08-13-2005, 11:43 AM
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the bad Strainer/pickup assembly and the baffless tank usually only applies to the 92'*

this might be your problem eventho you have a 94.....
Old 08-13-2005, 11:47 AM
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Won't cause the Check gauges light to light though......check your oil level.....I'm betting that the oil ran to the front of the pan, set off the sensor, which will cause the car to stall, because the PCM kills the spark/fuel to save the motor.
Old 08-13-2005, 12:19 PM
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The oil level sensor is on the front of the pan. Going down hill would put more oil on the sensor, not less.
Old 08-13-2005, 12:20 PM
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Originally Posted by jwikoff99
The oil level sensor is on the front of the pan. Going down hill would put more oil on the sensor, not less.
Old 08-13-2005, 02:09 PM
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Dump a can of drygas or similar product into the tank. Most tanks have a bit of water in them, and water is heavier than gas. The nose-down attitude might have dumped enough water into the gas line to stall the engine.

Bet this will fix it.
Old 08-13-2005, 06:02 PM
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Check guages light will illuminate durring an engine stall simply because the oil pressure dropped to 0. I'm betting the engine stalled first and THEN the check guages light illuminated. It just happens so fast that you can't tell which occured first if your not specifically paying attention to it.

Any ways, I'd fill the fuel tank and drive it. Then pay close attention as to what the conditions are that this happens. You gave a very good description, but see if it can be duplicated on the same road and under the same conditions.......downhill braking with low fuel. Then see if it can be duplicated with the same road conditions but a full tank?

If it turns out to be very dependant on fuel level, then I'd say you have tank-baffle and/or fuel pump problems.
Old 08-13-2005, 07:40 PM
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wouldn't it be possible for the check gauges warning to activate if the gas shifted forward and seemed low?...i'm not sure where the gas sensor is...but it seems fuel could've been the problem...
Old 08-13-2005, 07:54 PM
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Originally Posted by klystronik
wouldn't it be possible for the check gauges warning to activate if the gas shifted forward and seemed low?...i'm not sure where the gas sensor is...but it seems fuel could've been the problem...
I agree. When you get to a quarter tank and go down hill it will easily go into the yellow, even on a shallow hill. I am pretty sure this sets off the check gauges light...
Old 08-13-2005, 11:57 PM
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It very well could. I don't know for sure. I do know that if the engine stalls it should set off the "check guages" light.


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