1995 Dodge Dakota Dropps dead after 20 min

Tiny
STUCKCHUCK
  • MEMBER
  • 1995 DODGE DAKOTA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Ok truck belongs to my mother who beleives in only putting gas in a car. Enough said about prior maint. Car came to me after 3rd break down to "get it running" It will start when cold and run fine for about 20-30 min then its like someone just cuts off the fire to the engine. All other electrical function is fine pleny of juice plenty of crank no go.

Checked codes popped for bad coil/Distributor

Installed new coil new pick up new button and cap
put in new plugs and wires (did an oil and all filter change while I was there) Also I jockeyed the main relays around (all same part #) and verified my fuses.

Test drive. Walk home

I can return to the car about 4 hours later and it will start and drive home. I have replaced everything up to the ECM but before I bit the big bullet I wanted to know if there was anything else I am missing. Is there a sensor that if hot or bad could tell the ECM to kill ignition?

Other info I think my Cad converter is bad and have a replacement that I have not cut in yet (along with new muffler) Also I noticed a small leak at the water pump which might be going out but gauge has never shown hot and I have checked for water flow its flowing when Tstat changes.

All help greatly appreciated pulling my hair out here
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Stuck
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Wednesday, April 16th, 2008 AT 7:46 PM

4 Replies

Tiny
BMRFIXIT
  • EXPERT
Did you check or replaced the crank position sensor
its rear right of the engine
Crank sensor failure describe your condition
I suggest if you haven't check or replaced it
to do so
good luck
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Wednesday, April 16th, 2008 AT 8:59 PM
Tiny
STUCKCHUCK
  • MEMBER
Well I am not firmilliar with this sensor but I will find it and check it I just got it restarted and into the garage (from about 2 miles up the street 3 hours ago) but I will scope it again tommorrow afternoon and look for that sensor. If you could please describe what that sensor. Sences? And would it cause a code to pop if it was bad

Thanks for your help and patience
Stuck
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Wednesday, April 16th, 2008 AT 9:14 PM
Tiny
BMRFIXIT
  • EXPERT
I would ask the part store to show me the sensor and or you can buy new one so u can see what does it look like
the crank position sensor give the signal to the computer who ground the ASD relay which supply volts to coils allowing it to fire
as for the sensor under the cap its to synchronize the injectors
moving the distributor will not effect timing because computer get the signal for the crank sensor
good luck
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Wednesday, April 16th, 2008 AT 9:32 PM
Tiny
STUCKCHUCK
  • MEMBER
I will look into that first thing after work

I would also like to thank you for your fast responces I was taking shots in the dark after the "tune up" failed My father in law wants to try a new ECM but I was hoping for a less drastic repair.

I will try the sensor and let you know thanks again for quick responce

Stuck
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Wednesday, April 16th, 2008 AT 9:46 PM

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