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Still no spark, any suggestions?

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Still no spark, any suggestions?

  #1  
Old 01-08-2019, 11:13 PM
jtarrington
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Default Still no spark, any suggestions?

So I posted awhile back about an issue that was somewhat similar which ended up being the PCM. I have a 98 1500. The other day while I was driving the truck it would flutter losing power is the only way I know to explain it. It was lose power and come back almost like a light switch every now and then. Until it just didnít come back. It lost power and when dead so while still coasting I dropped to neutral and started back up just for it to lose power again and never start back up. It will turn over but not start.

I cannot figure out why I still donít have spark. After part chasing the problem I donít know where else to check. Iíve replaced ignition coil, distributor cap, distributor rotor, pickup coil, crankshaft position sensor , and checked fuses and relays. I would be likely to think it was the pcm since this very similar to what Iíve already dealt with but I have another one that I know the truck will start with and swapped it with the same result. Any suggestions?
 
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Old 01-09-2019, 09:48 AM
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What brand crank sensor did you install? Is the PCM spitting any codes?
 
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Old 01-09-2019, 11:17 AM
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Have you checked coil ??
 
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Old 01-09-2019, 01:29 PM
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Originally Posted by HeyYou View Post
What brand crank sensor did you install? Is the PCM spitting any codes?
its a BWD sensor. Iíve recently read that I should use a factory sensor as that one in particular is partial to it. I guess thatís a possibility. Iím also starting to lean back to the PCM.
 
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Old 01-09-2019, 01:30 PM
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Originally Posted by cruzer55 View Post
Have you checked coil ??
which coil are you referring to?
 
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Old 01-09-2019, 07:23 PM
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Originally Posted by jtarrington View Post


which coil are you referring to?
Likely the ignition coil. (which you have also replaced?)
 
  #7  
Old 01-09-2019, 08:12 PM
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Failed PCM?
 
  #8  
Old 01-09-2019, 08:13 PM
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So I posted awhile back about an issue that was somewhat similar which ended up being the PCM.
Did you actually confirm the old one was bad? Maybe it could be a problem with one of the wires/plugs not making a connection.
Oh and BWD is..
 
  #9  
Old 01-11-2019, 10:44 PM
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I haven't bought a BWD part that works correctly. They've either been dead on arrival or don't work correctly. Either get a Mopar part or get a Standard Motor Products one from Rock Auto.
 
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Old 01-12-2019, 09:50 AM
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Either get a Mopar part or get a Standard Motor Products one from Rock Auto.
Mopar or Delphi would be my choice! Delphi is not "aftermarket" they are one of the manufactures used by the auto makers.
 

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