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Po206 and po208 issue after 3.9 to 5.9 swap

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Old Jan 14, 2019 | 09:41 AM
  #41  
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Are you getting power TO the injectors? Did the PCM work ok in the truck it came out of?
 
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Old Jan 14, 2019 | 11:55 AM
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@98dak yea no swap is easy but I’m not selling anything I won’t give up on it and hey you idk how the pcm worked in the other vehicle I didn’t see it I met my parts guy and picked it up. However I tried 3 pcms and all gave me the same codes yes injectors have power.
 
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Old Jan 15, 2019 | 01:17 AM
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I read on another forum that injector 7 goes in #17 and 8 goes in #18 my harness has an open spot for #18 on the plug should I try putting the #8 injector wire in #18 on the plug?im guessing the 6 and 8 wires don’t like being next to each other on the plug? Kind of like they’re grounding out keeping the injectors hanging open if that makes sense
 
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Old Jan 15, 2019 | 11:10 AM
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Originally Posted by Cjw1993
I read on another forum that injector 7 goes in #17 and 8 goes in #18 my harness has an open spot for #18 on the plug should I try putting the #8 injector wire in #18 on the plug?im guessing the 6 and 8 wires don’t like being next to each other on the plug? Kind of like they’re grounding out keeping the injectors hanging open if that makes sense
Wiring diagrams from here, show injector 7 goes to connector 2 pin 2, and number 8 goes in connector 2, pin 13, number 6 (which you are getting a code for?) goes to connector 2, pin 12.
 
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Old Mar 28, 2019 | 07:55 PM
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Hey guys it’s corey again about the po206 and po208 the truck runs on its own now still have them codes though my question is if the distributor got turned will that cause these codes I read up on the whole fuel sync thing was wondering if it being out of sync will cause these codes before I go messing with the dizzy i ask because when I had the motor on the stand I pulled the dizzy cap and hold down clamp when cleaning everything up maybe i turned it and didn’t know? Any advice greatly appreciated thanks since last time I was here truck got new tps sensor that’s what got it to where it’ll stay running new iac as well
 
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Old Mar 28, 2019 | 08:42 PM
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Those codes are for the injector control circuits. Dist won't have anything to do with it. Does the engine run good?
 
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Old Mar 28, 2019 | 09:35 PM
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Engine runs fine idles around 750 when I unplugged 6 and 8 injector with it running and made no difference in the way it ran then I unplugged injector 4 and the engine started bogging down and all the injectors do have power all I have is a probe test light
 
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Old Apr 6, 2019 | 09:32 PM
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Hey guys sorry to make this po206 and 208 an ongoing thread but I had the alt tested at autozone and it’s only putting out 8 volts was wanting to know if this would cause problems with the fuel injection?
 
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Old Apr 7, 2019 | 08:56 AM
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Low voltage will cause all sorts of interesting electrical issues.
 
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Old Apr 17, 2019 | 12:17 AM
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Well guys found my problem popped off the passenger side valve cover and found a rocker that came off. I’m in the process of replacing all the lifters pushrods and rockers I posted a pic not sure if it’s on here
 
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