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Caravan will not start

Tiny
CHEVELLE383STROKER
  • MEMBER
  • 1996 DODGE CARAVAN
  • 149,000 MILES
Turns over strong sparks only once have replaced cam shaft sensor and ignition coil and many other parts have not replaced oxygen sensor or computer
Sunday, September 25th, 2011 AT 2:58 AM

9 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You still need to check basics before talking computer. I would look at the crank sensor. The flywheel is a common issue as well for no spark situation. Have it checked to verify.

Roy
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Sunday, September 25th, 2011 AT 3:00 AM
Tiny
CHEVELLE383STROKER
  • MEMBER
  • 5 POSTS
I replaced crank sensor what issue would there be with the fly wheel
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Sunday, September 25th, 2011 AT 3:03 AM
Tiny
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There is a trigger on the wheel that cracks and there is no signal sent to the pcm. A shop with a scan tool can verify the signal.

Roy
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Sunday, September 25th, 2011 AT 3:07 AM
Tiny
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  • MEMBER
  • 5 POSTS
Would that cause it to only spark once just wondering
i also replace the timing chain on it too the van is a 1996 with the 3.0
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Sunday, September 25th, 2011 AT 3:09 AM
Tiny
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  • MECHANIC
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Ok, it has a distributor. That needs to be verified that it is working as well. You need a scope now to check that. I think you are going to need help from a shop from here on unless you have a scanner and a scope.

By the way, did you check the timing belt.

Roy

Roy
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Sunday, September 25th, 2011 AT 3:21 AM
Tiny
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The vehice is not equiped with a belt it has a timing chain I have a friend with a snap on scanner I have a cheap scan tool when I go to pull up codes it says it doent have any I will see about botowing it to see what it brings up
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Sunday, September 25th, 2011 AT 3:26 AM
Tiny
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The 3.0 has a belt. The 3.3 and 3.8 have chains. Do you tell me the right motor?

Roy
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Sunday, September 25th, 2011 AT 3:30 AM
Tiny
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  • MEMBER
  • 5 POSTS
It is a 3.3 forgive me
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Sunday, September 25th, 2011 AT 4:03 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Ok. Back to square one. Without seeing it, I still think you need to have the crank and cam sensors scoped to see the readings and see if the signal is getting to the pcm.

Roy
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Sunday, September 25th, 2011 AT 1:47 PM

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