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Old 05-24-2011, 07:28 PM   #1
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Default 92 Olds 88 randomly shuts off when warm

92 olds 88 293000 miles 3.8 v6... My problem is after I drive my car and it warms up it will quit on me or after I drive and it gets warm after I get where I am going it wont crank when I try to leave if it doesnt have time to cool off. When it wont start it will turn over but it doesnt get any spark until the car cools off then it will crank and drive just fine. My first thought was that it was the ignition control module ($140) :( but it didnt help the problem. I need you guys ideas I have no idea what it is and soon when the weather warms up more im not even going to be able to make it home after school.
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Old 05-24-2011, 07:49 PM   #2
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Could be the crank sensor. They wear out after a while and when they get hot will stop working until they cool off.
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Old 05-24-2011, 10:28 PM   #3
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is there a way I would test the crank sensor
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Old 05-25-2011, 01:32 AM   #4
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Sorry to interrupt. I renamed your thread so that it hopefully draws more attention, and deleted your repost.

You can't reliably test a crank sensor without an oscilloscope. Your best bet is to bite the bullet and replace it.

Is your check engine light on? A failing crank sensor may set a code.
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Old 05-25-2011, 11:02 PM   #5
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I didnt realize I reposted until it was too late. :/

But there is no check engine light on, nor have i ever seen it on
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Old 05-26-2011, 12:28 AM   #6
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You can kind of test it with a DVOM, but it'* more really going to tell you much. As mentioned, a oscilloscope is the only way to test it. Changing it isn't real hard if you have a harmonic balancer puller. The down side is you really should have a CASE learn done after changing a crank sensor.
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Old 05-26-2011, 08:32 AM   #7
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Wow,

I just typed a detailed answer to this person'* question and then it disappeared.

My car was stalling and it turned out to be the crankshaft positioning sensor working intermittently I guess because supposedly if it fails the engine will not start.

One way I read to test the sensor is to pour a gallon of water on it after the engine stalls and if it starts up right away (instead of waiting the usual 5 - 7 minutes) that could be the problem.

There was no code for it on my car, which I found out by doing some internet searches.

If it'* this type, then be sure it is installed in the exact position it was in before removal.

http://www.partsgeek.com/gbproducts/...ek+Google+Base

I can share a lot more, but don't have the half hour it took to type in all the details the first time around.
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Old 05-26-2011, 08:35 AM   #8
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By the way, my car is a 1992 Buick Century 3.3 with 129,000 M.
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Old 05-26-2011, 05:24 PM   #9
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well thanks for the idea I guess this is what I will try next time I have the time to do it
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Old 05-26-2011, 05:45 PM   #10
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[QUOTE=jb84

But there is no check engine light on, nor have i ever seen it on[/QUOTE]

you should see the check eng light when you turn the key to ON position
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