Question about Dodge Dakota

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1990 dakota engine shutting down randomly

Keeps shutting down randomly. will run fine for a while then shuts down. acts like you just turned off the key. Will not restart for a few minutes. If key is on you can pull plug on computer let set for 5 sec and plug back in. Truck starts and runs. sometimes it will shutdown again in a mile or 2. Other times Randomly. never at the same place or time. Have replaced computer with spare. removed or replaced fusible links. changed fuel shutoff relay. Pickup in distributor is a few years old.

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  • Robert Peeler Oct 28, 2012

    No crankcase sensor to old.

  • Robert Peeler Oct 28, 2012

    only have 3 relays in truck one if fuel shutoff. one is airconditioning relay. not sure what third if for but changed it as well. It is stick no autocrap transmissions for me.

  • Robert Peeler Oct 28, 2012

    checked computer fault codes only had a 34 fault code. Do not have cruise on truck.

  • teds repairs
    teds repairs Oct 28, 2012

    have you tried a coolant temp sensor

  • Robert Peeler Oct 29, 2012

    replaced coolant temp sensor. still does same thing. what ever sensor was fouling up before I thank finally died completly today. Or my wiring harness is shot. not sure which.

  • teds repairs
    teds repairs Oct 29, 2012

    There is a crank position on your truck

  • Robert Peeler Oct 30, 2012

    nope uses Distributor and pickup basicly the same system since 73. The only difference is it is using a self diagnostic ignition control modual (computer). Instead of the old one used from 72 to 89.

  • teds repairs
    teds repairs Oct 30, 2012

    ok my 1988 dakota had one that is why I was thinking. maybe try an other computer

  • Robert Peeler Oct 30, 2012

    Tried that have another 90 dakota just for parts. Has to be a sensor somewhere heating up and shorting out. Forcing the computer to shutdown.

  • teds repairs
    teds repairs Oct 30, 2012

    how about the coolant temp sensor

  • Robert Peeler Oct 31, 2012

    Changed temp sensor already.

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  • Dodge Master
  • 2,101 Answers

I had a 1988 dodge Dakota ,and it did the same thing. I fould that the o2 sensor was bad. I am a self employed mechanic

Posted on Oct 28, 2012

  • Robert Peeler Oct 28, 2012

    replaced O2 sensor less then a year ago.

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Posted on Jan 02, 2017

positrac
  • 30 Answers

SOURCE: i have a 98 dodge dakota 4x4 3.9L 140xxx with an electrical prob

I am so glad you found the problem was cheaper than replacing a computer. I didn't mean to steer you to that, but in my mind it did sound like a compuer fault. Thanks for your reply. I'm very happy that you got it fixed.

Posted on Jan 08, 2010

  • 1024 Answers

SOURCE: how to test a crankshaft on a 1993 Dodge Dakota

check your catalytic converter for clogged up.
disconnect the exhaust pipe before the cat and run the engine to see if it still cut off.
if it run better, then that's the problem

Posted on Mar 05, 2010

  • 306 Answers

SOURCE: 1995 nissan pickup truck fuel problem

Fuel injected or carb? Make sure fuel line itself is clear. Some pumps are designed to self regulate (carb systems) some continually pump and a psi regulator sends back the excess fuel back to the tank (fuel inj systems) If the line is obstructed then pump can't deliver fuel fulltime.

If you think pump is not on consistent, try running a dedicated wire through a switch directly to the pump. If it works then you are looking for an electrical fault going to pump. Good luck.

Posted on Mar 10, 2010

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