Question about 1994 Oldsmobile Eighty Eight

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I was taking my daughter to school and my car shuts off. I pushed it home and the next morning it started back up with no problems I have changed the spark plug, thermostat, and alternator. I do not k

Could it be my ignition coil. Since the car starts back up

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It could but the chances are slim. The coilpack really consists of three seperate coils molded together. each one of the three coils feed 2 cylinders spark. in this case you usually experience just two dead cylinders if one section of the coil fails. the chances are pretty slim that all three coils would fail simutaniously EVERY time like that.
I though about this last night and it could be a few different things....
-the computers would do this same kind of thing as the longer the car would run , the more the main board in the e.c.m. would get hot and warp and eventually touch the case gounding it out for a little while but usually for less than an hour. the car would restart then.
-the computer,injectors,power windows/mirrors/locks etc., ground out through a ground splice located on the floor under the carpet just inside the drivers door. you have to pull back the carpet,expose the wiring harness track and find the long black plastic connector with a steel bar that connects all the connections going to it. this is usually consistent with when you try to roll the windows down the engine would die. also the windows would be working intermittently or not at all.
-i had ONE car years ago that was possesed! the car would die intermittently at ANY time and alot of the components we've talked about had been replaced by me or someone else. the ONLY thing that fixed that car was to remove every ground on the engine and clean them....ALL! then the stupid car finally ran ok. but you know i took that car over to the car-wash at the dealership i worked at and the car-wash guy was at lunch. sooo.... i decided to wash the car myself - right? .. bad idea. the guy had a rubber cactus on the antennae, doesn't the giant spinning brush rip the antennae , stupid cactus and all rightout of the fender. of course it's not over yet, the coax cable ripped all the way out to about 2" from the radio-why wouldn't it? well it all wrapped arround the giant brush traveling along the top of the car from front to rear and now it is beating the car to smitherines. - thnax for reminding me of that cause i forgot about it for about 15 years. nice to laugh about it now.
you may need to take your car to a tech. that has the right equip and hopefully the knowhow to use them. wish i was close to ya so i could help 'cause i'd have it figured by the time i wrote this.
I think it is probably the crank sensor but only a guess without my hands on it. you need a special puller to remove the crank pulley and a special tool or expierence lining up the sensor correctly when installing it. if you have some time and some tools try to clean all the grounds on the engine or try to find that ground bar if the windows or anything are acting funny.
Good Luck . Scott

Posted on Sep 27, 2008

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SOURCE: My car keeps cutting off

Sorry I hadn't been on here in a while. Not sure if your stil having trouble with your car. But I had a 94 Olds 88 Royale that would stall out and then immediatly turn over. I replaced the TPS, Throttle Posistion Sensor and there ya go SOLVED!! 
I tried lots of stuff first but to no avail. I finally tried that it worked. My car would stall out when I was idleing to a stop and sometimes it would shut off. I took the car to my mechanic and he could not pull a code. So he said it might be the TPS. For some stupid reason I thought to myslef "I'll be its expensive" so I never did anything about it. One day it stalled and that was it I went ot Autozone and got the darn TPS. It was $53 and some change plus tax. I put it in and it never stalled again. 

Hope that helps. 

Posted on Nov 26, 2008

6ya6ya
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Posted on Jan 02, 2017

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