Question about 1990 Dodge Dakota

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I have a 1990 dodge dakota 3.9L V-6 automatic 2WD! I was driving down the freeway and the truck just died...out of no where, no odd sounds or clunks! Popped the hood and noticed some wires had come in contact with the exhaust ''Y'' pipe! I cut and spliced the wires on the side of the freeway and could not get the truck to start, once I had it towed hom and got to fishing for a solution I realized that i was not getting any fuel to the carb. I searched and searched and found that if I jumped the automatic shutoff relay i could hear the fuel pump running...so I replaced the relay and still couldn't get it to work, i also replaced the coil! I am not getting any power to the carb. unless I jump the relay! Can anyone help me on this? Thank you!

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6 Suggested Answers

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Posted on Jan 02, 2017

mpetrangelo1
  • 52 Answers

SOURCE: 97 dodge nostart no power coil, injecter, fuel pump run with key on.

Semi electronic system--replace the brain..full electronic --same.

Posted on Oct 12, 2008

  • 218 Answers

SOURCE: 94 dodge ram 1500 5.2 replaced fuel pump still no

U NEED TO CHECK THE FUEL PUMP AND AURO SHUT DOWN RELAY.THEY ARE IN THE UNDERHOOD FUES & RELAY CENTER.U CAN SWITCH THEM 1 AT A TIME WITH A/C RELAY.IF THAT DOES NOT WORK U MAY HAVE A PROBLEM WITH THE PCM

Posted on May 13, 2009

  • 2 Answers

SOURCE: 1993 dodge dakota V8

have someone turn on the ignition while you move the wiring harness around in the engine compartment, mine had a bad wire to the crank position sensor. found this after replacing EGR and Coil. follow the wiring bundle on the drivers side of the throttle body to the firewall / bellhousing on the passenger side and move the CPS wires around.

Posted on Jun 27, 2009

  • 31 Answers

SOURCE: 1995 dodge dakota 2wd 3.9 no spark to plugs,or coil,orfuelpump

First of all let's explain how the spark gets to the plugs. There is a crankshaft position sensor and a cam sensor. They are what determines when to fire the coils and injectors. The crank sensor is located on the passenger side on top of the bellhousing, the cam sensor is the pickup plate in the distributor. As the engin turns the send refernece pulses to the computer which grounds and ungrounds the ignition coil causing it to discharge and send voltager from the secondary coil wire to the center tower in the distributor cap. The rotor button recieves the voltage and distributes it to the 6 towers (1 for each cylinder) If you say you're getting spark from the rotor that tells me the primary side of the ignition system is working, and the secondary side is working into the distributor cap. I'd check for spark out of the plug wires at the plugs. Pull a wire and insert a #2 phillips screwdriver into it, hol the shaft of the screwdriver aprox 1/8"(no more) from the exaust manifold and observe the spark as someone turns over the engine. You should see a nice blue spark. If theres spark, spray a little gum cutter in the throttle body an crank it, if it fires you have a fuel problem. Install a fuel pressure gauge on the schrader valve on the fuel rail and observe it as you crank it. If theres no fuel pressure maks sure there's fuel in the tank, if so climb underneath and beat on the bottom of the tank with a rubber hammer, the pump may be going bad, sometimes you can jar them and make them run.

Posted on Aug 24, 2009

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

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