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5.9 magnum 01 ram cylinder #5 misfire

Old May 20, 2015 | 09:34 AM
  #71  
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Clogged fuel pump will effect all cylinders. If it's clogged bad it won't supply fuel. Confirm you are getting a signal from the pcm and go from there.
 
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Old May 21, 2015 | 12:16 AM
  #72  
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Ya tested it tonight I am getting a signal from my pcm. Pulled the wire to see if the tone changed. It did, I am wondering if it's firing to soon or to late not sure yet.
 
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Old May 21, 2015 | 10:45 AM
  #73  
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Have you swapped injectors around? If so, did anything change?
 
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Old May 21, 2015 | 10:48 AM
  #74  
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Ya I swapped them around. Like I said I think it's firing. I just don't know if it's timed right.
 
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Old May 21, 2015 | 10:57 AM
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Got a spark checker? If you do, compare spark on cylinder 5, and another one. See what that looks like. If you don't, just use another spare spark plug...... see if spark on 5 is weak.
 
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Old May 21, 2015 | 12:35 PM
  #76  
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Spark is good. Spark plugs are all new with wires cap and rotor and coil.
 
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Old May 21, 2015 | 12:36 PM
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Compression test. Post the numbers.

Plug wire routing?
 
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Old May 23, 2015 | 02:30 PM
  #78  
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I can't find my paper where I wrote down my results to the compression test. But I know I have good compression on all cylinders. Not much of a difference between them all. What do you mean by spark plug routing?
 
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Old May 23, 2015 | 04:13 PM
  #79  
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There is a TSB to reroute wires differently than how they came from the factory. It's basically getting distance between wires, especially wires 5 and 7 as they are next to each other in firing order. If they are running parallel to each other the voltage can cross over and cause misfires, theory... anyway.
 
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Old May 24, 2015 | 04:32 PM
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I routed all the wires how they should be.
 
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