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93 Dakota -Auto shutdown?


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ls64
New User

May 23, 2010, 9:13 AM

Post #1 of 2 (2052 views)
93 Dakota -Auto shutdown? Sign In

 I have a 1993 Dodge Dakota truck with a 318 and high miles. It dies( no sputtering, it just stops running) within about 8 minutes of starting, and longer if the outside temperature drops. The engine will not start again for about 5 more minutes, but after that it will run good unless I let it set without running until the motor gets cold again. I also have a problem when it rains also only this time it varies as to when it will do this. It has a new coil and new air temperate sensor and I have checked the grounds out. It seems like the engine is getting a signal to automatically shutdown but I don't know what could send this signal. The engine has no spark from the coil when it doesn't start. It runs great otherwise. Thanks


Sidom
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May 23, 2010, 1:43 PM

Post #2 of 2 (2045 views)
Re: 93 Dakota -Auto shutdown? Sign In

Well you've narrow the problem down. I'm not sure of the tools you have but a common failure on those is the crank sensor. You should check it before replacing it.
If you have a tach, see if you are getting rpm while cranking. That is an 8v hall effect switch that will produce a signal with a 5v amplitude signal. You could hook a dvom up to the signal wire and see if you are getting a reading that bounces around. If you have 8v on one wire, a good ground & varying signal, then the sensor is bad.....






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