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cranking issues

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Old May 7, 2012 | 08:15 PM
  #16  
BigAlsPSD's Avatar
BigAlsPSD
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From: Pea Ridge, AR
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Yes, search 50 cent mod or P1316, basically just ohm between center of the 9 pin connector and the 3rd & 4th pin and the 6th and 7th pin. The 2 front and 2 rear of the plug are for the GP's and you would need to check those against battery ground.
 
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Old May 8, 2012 | 05:36 PM
  #17  
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rocketman2440
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From: Atlanta, Georgia
I have found the issue! I am setting my truck up to run veggie oil, and apparently one of the check valves that I installed on the passenger fuel head a while ago went bad, and was letting air into the system. It is now off, and there are no cranking issues.

Thanks for all your help Alan. Reps sent.
 
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Old May 8, 2012 | 06:45 PM
  #18  
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BigAlsPSD
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Glad you found it, didn't see that coming...but didn't know they were there either.
 
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Old May 8, 2012 | 08:33 PM
  #19  
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rocketman2440
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Yeah, I completely forgot about them until I had a fuel pump show up on my door yesterday. Thanks again for the help, maybe next time I won't be a dunce and will remember the last modification and start there!
 
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Old May 8, 2012 | 08:43 PM
  #20  
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BigAlsPSD
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Nah, you're fine, so how is there any performance that you have noticed now, I realize you had cranking issues, and some romps, but I wonder what else was being affected.
 
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Old May 8, 2012 | 09:09 PM
  #21  
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rocketman2440
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I actually didn't notice any issues with performance. And I can't for the life of me figure out exactly what was wrong. Since the cranking issue seemed to become worse after driving for a while...
 
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