will run fine until 30 to 35 mph then all systems go out!!!

1995 DODGE RAM
191,000 MILES • V8 • 4WD • AUTOMATIC
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BSMITH1969
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My truck will run fine until 30 to 35 mph then all systems die!!! Just like I shut off the switch. Transmission has a problem with reverse but otherwise is fine and will shift. I have replaced the sensers that the flash codes say are faulty , what next?
Aug 29, 2009 at 4:38 AM
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SCRAGHTY604
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Cant say i have ever heard of that befor. Does it just bam shut off like you turned the key or does it kinda bog out or stall out.
Aug 29, 2009 at 12:10 PM
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BSMITH1969
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No it just quits like the switch was shut off. No stalling or notta, just bam its dead and coasting...
Aug 29, 2009 at 12:49 PM
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SCRAGHTY604
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Ok is there still power to other items IE Dash lights, Stereo, AC fan
Aug 29, 2009 at 1:06 PM
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BSMITH1969
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yes but b4 I can get it started again I have to shut the switch off wait about 30 seconds and then it fires. btw It will idle as long as I leave it running...
Aug 29, 2009 at 1:25 PM
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SCRAGHTY604
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puzzling one indeed...curious what sensors did you replace and codes that pop'ed up....seems to me like seems pretty obvious do to with the electrical.did it have this problem before the sensors were replaced or replaced due to the problem. Im asking alot of question and not offering much help hopefully we can get some were here
Aug 29, 2009 at 2:21 PM
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BSMITH1969
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engine coolant temp sensor, code and replace, vehicle speed sensor , code and replace. This may help , reverse is not working ,tries to catch but will not move could it be a sensor inside the tranny?
Aug 29, 2009 at 2:40 PM
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