1999 Dodge Dakota no spark no fuel

Tiny
MANDO909
  • MEMBER
  • 1999 DODGE DAKOTA
Engine Mechanical problem
1999 Dodge Dakota V8 Two Wheel Drive Automatic

I have no spark and no fuel their is a no buss coming up in the miles and check engine comes on
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Friday, December 11th, 2009 AT 7:56 PM

3 Replies

Tiny
CH112063
  • MEMBER
Sorry, today you need a repair computer to see what could be causing a bus problem. All the different systems in your truck have their own computers and modules. If a fuse or sensor fails the PCM shuts spark and fuel off. See if someone can help by bringing it into a good shop. You may read about how your engine's bus system works in the menu. You can look there to see the different 'first things to check'. OK?
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Friday, December 11th, 2009 AT 8:32 PM
Tiny
MANDO909
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Put a scanner on it and didn't read anithyng
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Wednesday, December 16th, 2009 AT 12:27 AM
Tiny
CH112063
  • MEMBER
Hello, your scan screen is coming up blank. The wire for the OBD connector is all by itself, I guess Fed. Law requires a vehicle to have no start if no computer self-diagnostics were available, it could still be a fuse, have you tested both locations, in the trucks fuse panel, and in the power center? With a test light? Its a engine controller circuit but still had circuit protection. Do you have any check engine light? If you do then see if all the fuses are ok. This could be a bad PCM itself, or its ground wire or its power up fused wire also. If all 4 fuses are good the PCM has two ground locations also. If you have a voltmeter test for power at these fuses, ok? Their identification is on the fuse panel and the cover of the power center panel. So you must start with this. The best way to test them is under the "how to check'and 'first things to check sections.
The PCM was not a big failure but it controls both diagnostic connectors, Chryslers 5 pin and the OBD also. If you need any help, just ask, I think the PCM's are not as expensive as they once were. I'll check back if I can help you. They have the schematic for all the wiring that runs through the firewall. It may be a short and the PCM has no power. Even the switch(ignition) is part of the circuits supply for this engine controller.
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Wednesday, December 16th, 2009 AT 11:26 PM

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