94 SE runs great then dies - 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 01-03-2005, 10:52 PM   #1
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Default 94 SE runs great then dies

i have a 94 SE 3.8 w/ 160000 mi. it'll run fine then just die .Sometimes it would start right up,sometimes it well.........you never know. I've been trying to figure this thing out .it just keeps getting worse. right now it'll run for a min. then die {when it does start} Iwould appreciate any suggestions or help anybody can lend.......
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Old 01-04-2005, 01:44 AM   #2
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Getting it scanned would be the best solution most likely. Then if there are any codes you can do a cross reference using the techinfo. If your able to tell us a little more about the car that would help out as well.
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Old 01-04-2005, 05:28 PM   #3
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It is a hybrid OBD1 system so you will be forced to have a dealer or another auto shop with the right eqiupment scan it. Just a heads up and to save the "helpful" folks at autozone time and confusion wondering why there is an OBD II plug but their scanner does not work.
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Old 01-04-2005, 07:22 PM   #4
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Default Re: 94 SE runs great then dies

Quote:
Originally Posted by jmf94bonnie
i have a 94 SE 3.8 w/ 160000 mi. it'll run fine then just die .Sometimes it would start right up,sometimes it well.........you never know. I've been trying to figure this thing out .it just keeps getting worse. right now it'll run for a min. then die {when it does start} Iwould appreciate any suggestions or help anybody can lend.......
i have the same problem and i found out it was my crankshaft sensor once it heats up it fails and shuts da car off if u caught it early enough the part is roughly 35 dollars but the labor is 2.7 hours jus throwin somethin out there for u
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Old 01-05-2005, 04:23 AM   #5
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Default Re: 94 SE runs great then dies

Quote:
Originally Posted by jmf94bonnie
i have a 94 SE 3.8 w/ 160000 mi. it'll run fine then just die .Sometimes it would start right up,sometimes it well.........you never know. I've been trying to figure this thing out .it just keeps getting worse. right now it'll run for a min. then die {when it does start} Iwould appreciate any suggestions or help anybody can lend.......
does it die while your driving, at a stop, both?
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Old 01-05-2005, 11:22 AM   #6
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Default dies

My black SSE did the same thing recently. Before doing anything check the module plug connector. clean and tighten the plug sockets, as well as check the crank sensor connector.
If it stalls and won't start check for injector pulse. if no pulse the crank sensor or module could be bad.
Usually a stall and resart condition is a faulting electrical contact, crank or module.
Follow what the people on the board said, Check for codes, try to determine if it does it only when hot etc.
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Old 01-06-2005, 08:54 PM   #7
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Sorry to sound stupid here guy but i'm not sure about where the crank sensor is .Ihaven't really ever worked on this car . I had trouble on a cutlass we had with the crank sensor and i assumed i knew where it was . But i think i may have found the temp. sensor . LOL ....By the way ...the check engine light has never came on during all this. Will it still have trouble codes stored in the comp.? Thank you guys very much for any help. Also anybody let me know if they need any help on a v-8 engine without all these sensors and gadgets !!! LOL!!! Again , .......Thanks !
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Old 01-07-2005, 12:36 PM   #8
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Default crank sensor

The crank sensor plug is toward the front of the engine behind the bottom crank pully.
The module plug is just below the triple coil pack toward the front of the engine, usually has a small screw on it.
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Old 01-18-2005, 09:59 PM   #9
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My girlfriends Bonneville does the same thing. It basically just shuts down while either driving or stopping. When it shuts down all of the dash lights go on, car stops and when you restart the car you need to reset the clock and radio. Its almost as if someone pulled the plug. No warning what so ever.

Any help is appreciated. I did check for codes with my Auto Scan 6000 and there were NONE.

I have cleaned and tested the battery and terminals.
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Old 01-18-2005, 10:02 PM   #10
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Ckeck the bolt that holds the two halves of the MaxiFuse relay center together...
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