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2000 Dodge Caravan No Start

Tiny
DFALK
  • MEMBER
  • 2000 DODGE CARAVAN
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 111,000 MILES
Upon acceleration one day, the engine lost power and died. Once to the side of the road, the engine would turn over but would not start. I got it towed home and started to figure out what happened. I confirmed the plugs were getting fuel to them but determijned there was no spark. I also determined there were no engine error codes. I have systematically replaced the sprak plugs, plug wires, distributor, crank case sensor and coil. None of these have worked and it appears the only thing left is the computer or control module. How best can I determine which it is or do you think I may missed something?
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Saturday, March 20th, 2010 AT 1:49 PM

3 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,879 POSTS
Since you have a distributor, I assume you have the 3.0L engine. Remove the coil wire from the distributor cap and hold the terminal near the engine. Watch for spark while a helper cranks the engine. If there is none, check for voltage to the ignition coil. You must measure while someone is cranking the engine. The voltage will not be there when the engine isn't rotating.

Caradiodoc
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Wednesday, October 23rd, 2019 AT 2:46 PM
Tiny
DFALK
  • MEMBER
  • 2 POSTS
I haven't tried the coil plug excercise but I have taken out a spark plug and while connected the plug wire - crancked the engine with no evident spark at the plug. There was a smell of fuel so I am left to beleive I have an ignition problem. I still think its the control moduel or computer but before spending anyone money, I was looking for any option that I may have missed. Yes, it is a 3.0L engine.
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Wednesday, October 23rd, 2019 AT 2:46 PM
Tiny
CARADIODOC
  • MECHANIC
  • 33,879 POSTS
Check for voltage to the ignition coil during engine cranking. You should have full battery voltage on one wire and a lower pulsing voltage on the other. If you find 0 volts on both, or the same steady voltage on both will determine where to go next. Those terminals must also have full battery voltage for one second after turning the ignition switch to run". Then it will go back to 0 volts until the engine is cranked. If that voltage is present for that one second, that too is an important clue.

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Wednesday, October 23rd, 2019 AT 2:46 PM

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