1992 Oldsmobile 88 92 olds 88 is dying while driving temp b

1992 OLDSMOBILE 88
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SHANNANLEWIS
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Engine Mechanical problem
1992 Oldsmobile 88 Automatic

My car is shutting down while I'm driving. I have noticed this happens when the temp gage gets a little above 200 maybe 225. However lately it is happening 200 and sometimes a bit below. It drives ok on the freeway but in town is where I notice the issue. Sometimes I can coast to a stop and restart other times I will have to let it sit between 5 & 45 minutes. I may get a little ways between dying sometimes I only get a block. I noticed that when the radio is on it seems to speed this process up. On occasion turning the heater on to lower the temperature works for a while. Lately that seems to do nothing. This is very dangerous I have a little one. The battery has been replace all connections and fluids checked. I have also noticed a slight drop in gas mileage recently. Any suggestions or direction is greatly appreciated! many thanks!
Dec 4, 2008 at 5:53 PM
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LEGITIMATE007
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by what your telling me, it sounds like you may have a bad crank position sensor, this sensor tells the computer where the crankshaft is in its stroke. whats probably happening is , when the sensor gets too hot it leaves an open circuit, thus making it impossible for the computer to get a reading, then causing it to shut off. oldsmobiles around that year are prone to that issue, I had a 1993 cutlass that did the same thing, it doesnt give a service engine light so most people wont consider this.
Dec 4, 2008 at 11:07 PM