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  #11  
Old 12-03-2012, 11:16 AM
Cruciform Cruciform is offline
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Quote:
Originally Posted by RamTech View Post
The attached .pdf file is one of the factory diagnostic procedures for a no start condition.
Well, I guess I know what I'll be doing tonight.

Thank you very much, that should prove to be very helpful.
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  #12  
Old 12-03-2012, 11:22 AM
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Let us know what you find.
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  #13  
Old 12-04-2012, 02:47 PM
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Let us know what you find.
Ok, I had an opportunity to look at the truck today-

Here's what I came up with-
A) pushed the shraeder valve on the fuel line in, a little fuel came out, but seemingly not a lot of pressure.
B) when cranking, hooking a voltmeter to the wires that go to the coil, I get about 5volts while cranking. I would think it should be 12v consistently As soon as I let off the key, it quickly jumps to 11 or 12, then 0. I'm thinking this could be my problem-not enough voltage to the coil.

Does this mean a crank sensor or could it be a grounding issue? I cleaned several ground locations-
-PCM to body
-Body to engine
-Battery to engine
-Battery to frame

No change.
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  #14  
Old 12-05-2012, 09:50 AM
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Could be a mirad of problems...

Try tapping on the fuel tank while someone cranks it and make sure it's getting fuel.

Crank position sensor could be going bad.

Temp sensor could be dry or bad ($17)

Plug on the coil could be bad and needs to be wiggled around and then replaced.

Make sure it's got adequate spark...
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  #15  
Old 12-05-2012, 09:57 AM
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If you want to verify ground condition, do a simple voltage drop test. Set your DVOM up fo the 12V scale and attach the positive lead to the ground location you want to test and the negative to the negative battery terminal and turn on the key. You don't want to see more than about 1/2 volt drop max. This test can also be used to check positive wires using the positive battery terminal. Have you pulled the steering column covers to check the ignition switch for melting?
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Old 12-05-2012, 08:34 PM
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There wasn't any OHMage between the terminals of the coil. In searching for a new one, I discovered that its the same for my Jeep Wrangler, which is right next to it in the garage. Pulled that out, put it in and it fired right up.


thanks for all your all your help folks!
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Old 12-06-2012, 11:01 AM
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Quote:
Originally Posted by Cruciform View Post
There wasn't any OHMage between the terminals of the coil. In searching for a new one, I discovered that its the same for my Jeep Wrangler, which is right next to it in the garage. Pulled that out, put it in and it fired right up.


thanks for all your all your help folks!
And you'll notice that I gave you some Rep Points for posting your solution. Nice Job
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Old 01-17-2013, 02:18 AM
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Im having trouble with my 01 ram I melted a ground wire that comes off of the block and my truck wont even turn over it just buzzes at the pcm does ne1 kno what it could be
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