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5.9 magnum 01 ram cylinder #5 misfire

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Old May 16, 2015 | 01:23 PM
  #51  
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What would have to happen to cause it to go out of sync? I just got the crank sensor in with no change.
 
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Old May 16, 2015 | 01:42 PM
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Distributor turned, or, the little metal part the rotates with the dist shaft got bent. (never seen that one...)

Still have the miss on 5? Did you swap injectors yet?
 
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Old May 16, 2015 | 01:46 PM
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That's what I keep thinking is the distributor because when I started working on this there were so many bolts that were so loose. Ya u swapped them.
 
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Old May 16, 2015 | 01:57 PM
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Did the miss stay on 5 when you swapped 'em? If so, I would check wiring for the injector, and if that tests good, throw a noid light on it, and see if you are getting injector pulse.....
 
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Old May 17, 2015 | 05:43 PM
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Would a power probe do the same thing? I hooked mine up and I was getting power to my injector. I keep coming back to timing. It's getting fuel and spark. But is it getting there at the same time. It's running very lean.
 
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Old May 17, 2015 | 10:13 PM
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You will have power, PCM controls the ground side of the circuit. You could try putting the probe across the terminals in the connector, and see if the light flashed...... Don't know if an incandescent light will react fast enough to notice though.....
 
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Old May 18, 2015 | 01:51 AM
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Ok I'm gonna use the light. Would it just need a new pigtail or would it mean a new computer if it's not getting a pulse?
 
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Old May 18, 2015 | 08:23 AM
  #58  
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Find out if you have positive(+) voltage on one terminal(from asd relay) and check for a pulse(-) from the pcm. Need to crank/start the engine to check pulse. Need to verify your wiring to the pcm and asd relay, then go from there.
 
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Old May 18, 2015 | 12:35 PM
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Isn't there just a fuel pump relay?
 
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Old May 18, 2015 | 01:30 PM
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That's just for the pump. Injectors get power from ASD relay. They are all on the same circuit, but, there are splices in there... verify you are getting power TO the injector, and if you have it, verify you are getting a pulsing ground signal for it. (test light trick)
 
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