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Old Apr 19, 2016 | 05:05 PM
  #61  
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Take a picture of the harness you are talking about please. It does sound more and more like the injector poppet valves are worn.
 
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Old Apr 19, 2016 | 05:59 PM
  #62  
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Originally Posted by HKusp
Take a picture of the harness you are talking about please. It does sound more and more like the injector poppet valves are worn.
I'll have to do it tomorrow after I get back from Dr.
 
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Old Apr 20, 2016 | 02:45 PM
  #63  
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Here is pic of harness..
 
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Old Apr 20, 2016 | 02:59 PM
  #64  
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Also the harness is straight thru to outside plug-is that good or bad????
Okay, I am not sure what you are saying/asking here. Can you elaborate on the question please?
 
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Old Apr 20, 2016 | 03:03 PM
  #65  
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Originally Posted by HKusp
Okay, I am not sure what you are saying/asking here. Can you elaborate on the question please?
Yeah, I don't get what he means about the harness being straight through to the outside plug...What are your thoughts on the mismatched injectors?
 
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Old Apr 20, 2016 | 03:15 PM
  #66  
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The mismatch is no biggie. Tons of trucks out there running injectors with mismatched solenoids. When you get rebuilt injectors, the cores come from all over the place. As long as they are the right cc, nozzle size, and matched single shot, or split shot, the color of the solenoid is fine.
 
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Old Apr 20, 2016 | 03:24 PM
  #67  
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Originally Posted by Walleye Hunter
Yeah, I don't get what he means about the harness being straight through to the outside plug...What are your thoughts on the mismatched injectors?
I think he means the wiring is part of (integral to) the valve cover gasket, not a common two piece set up?
 
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Old Apr 20, 2016 | 03:46 PM
  #68  
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Originally Posted by Rikster-7700
I think he means the wiring is part of (integral to) the valve cover gasket, not a common two piece set up?
That is correct..
 
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Old Apr 20, 2016 | 04:31 PM
  #69  
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Ahhh, so I am assuming they are an aftermarket one piece version, probably made by Dorman and COULD be A potential problem, but if they were THE problem, I don't think it would be temperature dependent.
 
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Old Apr 20, 2016 | 07:13 PM
  #70  
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Originally Posted by HKusp
Ahhh, so I am assuming they are an aftermarket one piece version, probably made by Dorman and COULD be A potential problem, but if they were THE problem, I don't think it would be temperature dependent.
Please explain, before I put this back together..

Already pulled GP's(driver's side) and replaced with Motorcraft. When I pulled the XXXX they were coated in a very thick black sludge nasty lookin stuff.

I'm trying the shim kit to see how it works...
 
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Old Apr 20, 2016 | 07:18 PM
  #71  
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You're trying the shim kit? What were the armature plate to poppet body clearances?
 
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Old Apr 20, 2016 | 07:22 PM
  #72  
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Originally Posted by Pikachu
You're trying the shim kit? What were the armature plate to poppet body clearances?
less than .002
 
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Old Apr 20, 2016 | 07:31 PM
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Yeah, that's getting down there. Be careful not to over-shim. Once you have the shims installed and before you put everything back together, run a buzz test and make sure you don't have any high to low side short codes.
 
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Old Apr 20, 2016 | 07:36 PM
  #74  
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Originally Posted by Pikachu
Yeah, that's getting down there. Be careful not to over-shim. Once you have the shims installed and before you put everything back together, run a buzz test and make sure you don't have any high to low side short codes.
Can I run a Buzz test or do you have to have special equipment???
 
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Old Apr 20, 2016 | 07:57 PM
  #75  
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You need a scan tool that's capable of it. If you don't have one, start the engine before you put the valve covers on. If an armature plate is over shimmed and contacts the solenoid coil, you should get a MIL and the IDM may shut down a cylinder bank if it detects a high to low side short. Having a scan tool would make it a lot easier to figure out which injector(s) are the problem if that happens, though.
 
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