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Need help with truck having no spark

Old Jul 26, 2012 | 07:07 AM
  #1  
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carnestruck
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Default Need help with truck having no spark

Hello to all. This is my first post here and I am hoping to find some resolution to an issue I have with a 1998 dodge dakota, not producing any fire. It is 2 wheel drive, 3.2 V-8.

It all started with a leak at the timing chain cover gasket. I admit when it comes to autos I can sometimes know just enough to get me in trouble. However. after researching ,although the labor involved was quite timely, it seemed pretty straight forward. I followed step by step instructions and felt I had done a pretty thorough job. Used extreme caution in all areas. Anyway got the thing back together and have no fire. I researched some more and really cannot see that anything I would have messed with would cause this type of issue. So, decided I better go a little deeper in research. My check engine light was on so I bought a scanner. The code was PO 340. Camshaft position sensor. So I replaced.- Nothing. Read that sometimes you can get this reading and it be the Crankshaft position sensor. So I replaced.- Nothing. And I cleared the code after changing both of these. So I checked the voltage from the PCM to both of these sensors. It checked out ok. I double checked all my connections. Looking for loose ground. Checked all relays and fuses.-all look good. Check battery power.Checked power from alternator. Still no fire. I have a family member who is a mechanic. He stopped by the house and he basically checked everything I did and went a little deeper. He is just as baffled as I am. He suggest changing the coil and the ignition module. (Found out later there is no ignition module. Thankful I found that out before I changed it.)

Before I do any further with troubleshooting I wanted to post here to get any additional ideas.(Obviously my family member is not much of a mechanic) I am a little confused that anything I did would have caused this issue. Like I said I used extreme caution -even disconnecting the negative battery cable. Is there anything inside the timing housing that I might have hit in putting it back together that would cause my truck not to fire? Any help offered would be greatly appreciated.
Thanks
 
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Old Jul 26, 2012 | 05:23 PM
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bpark8824
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From: Plattsburgh, NY
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I know the crank position sensor is very sensitive. It needs to be just right or can cause a problem like you're having. I'm not really sure what you can do about it other than check again just to make sure it is installed properly.

I know there are people on here that know a lot more about than I do, so hopefully some others will chime in and help you out.
 
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Old Jul 28, 2012 | 01:10 AM
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PonchoRob
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From: Broadway , NC
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Do you know for sure that the battery is good and fully charged ? Proven fact about our trucks if the voltage drops considerably ( dont know the number right off hand ) when cranking the engine over it will not fire the engine ,, you can have 12 volts at the terminals but still be a bad/discharged battery when the starter is activated ,, just sayin ,, also try swapping the asd relay ( auto shut down relay ) with another one in the pdc ( power distrabution center ) under the hood ,, doesnt matter which one , its just a quick test to rule out a bad relay , and try starting the truck again ,, if it starts -you know the relay was bad ,, if it doesnt start - well atleast it didnt cost you anything to try . Are you getting voltage to the coil ? you already tried out most of what i would of tried ,, not sure where else to look at the moment ,,,
 
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