1994 Dodge Dakota please help

Tiny
DIXIEFRDGRL84
  • MEMBER
  • 1994 DODGE DAKOTA
  • 3.9L
  • V6
  • 4WD
  • MANUAL
  • 159,000 MILES
I put a new coil and fuel pump in and no fire to the coil, tried doing the code thing with the check engine light but the check engine light doesn't even come on after doing the cycle.I'm at a loss any ideas will be appreciated.
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Sunday, April 6th, 2014 AT 8:03 AM

5 Replies

Tiny
CARADIODOC
  • EXPERT
What led you to the fuel pump and ignition coil? How did both of them fail at the same time? What symptoms are you trying to solve?
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Sunday, April 6th, 2014 AT 10:20 AM
Tiny
DIXIEFRDGRL84
  • MEMBER
Let me set the scenario.I drove my truck 3500 miles and had no problems.4 months of living in Florida I had a minor accident the truck sat for 4 months before I could afford to fix it and when I moved from Tampa to Brooksville I pulled into the driveway the truck sat for about 2 hrs and then it wouldn't start again so after having to replace the fuel pump 3 times already I figured that's what it was, I'm a shade tree mechanic and I don't know much about all the newer electrical stuff that vehicles have now.
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Sunday, April 6th, 2014 AT 3:07 PM
Tiny
CARADIODOC
  • EXPERT
We need to start with how the system works, but I'm racing a dying laptop battery. I may have to come back tomorrow.

The fuel pump will run for one second after you turn on the ignition switch, and you should hear the hum. If you do, the pump is okay. Start with the basics by checking for spark. If that is missing, the fuel pump most likely won't run either during engine cranking. The fuel pump and ignition systems have the crankshaft position sensor and camshaft position sensor in common. Those account for the majority of the no-start problems.

Have you checked for diagnostic fault codes yet? Chrysler makes doing that yourself much easier than any other manufacturer. Cycle the ignition switch three times from "off" to "run" within five seconds, then count the flashes of the Check Engine light. There will be a series of flashes for the first digit, a short pause, another series of flashes for the second digit, then a longer pause, then the next code if there is one. There's a link on this site to how to do that too, and the descriptions.
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Sunday, April 6th, 2014 AT 8:22 PM
Tiny
DIXIEFRDGRL84
  • MEMBER
I have tried the code cycle 3 times now and my check engine light doesn't come on at all. Does that mean the computer is dead or something else?
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Monday, April 7th, 2014 AT 10:57 AM
Tiny
CARADIODOC
  • EXPERT
That light is run by the Engine Computer, but failure is very rare. Most commonly you'll find a blown fuse or fuse link wire. If you have fuse link wires, they'll be in a bundle near the under-hood fuse box. I think they got away from them by '94. Check the fuses under the hood first, and look for anything else that doesn't work.
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Monday, April 7th, 2014 AT 5:44 PM

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