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2006 Chev 3500 4X4 Diesel 6.6 Duramax-where is injector #8 wire located


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JLighthill
User

Jul 14, 2016, 9:41 AM

Post #1 of 9 (819 views)
2006 Chev 3500 4X4 Diesel 6.6 Duramax-where is injector #8 wire located Sign In

I have a 2006 Chev 3500 4X4 Diesel 6.6 Duramax.
The computer is pulling code P0208-Injector 8 control circuit (symptom 00)-Current DTC, Test Not Passed Since DTC cleared, Test Failed Since DTC Clear, History DTC, Current DTC Since Power Up, Warning Indicator Requested.
I cleaned all the injectors with injector cleaner. I did this to make sure it wasn't just dirty before replacing the injector.
Its still pulling the same code after cleaning. Next, I'm going to check the wires. How do I get to the wires? Is it under the valve cover?
Thanks!


kev2
Veteran
kev2 profile image

Jul 14, 2016, 10:52 AM

Post #2 of 9 (815 views)
Re: 2006 Chev 3500 4X4 Diesel 6.6 Duramax-where is injector #8 wire located Sign In

p0208 is a CIRCUIT issue - the PCM is NOT seeing 12v from inj #8...an open wire grounded wire, bad elec connector at injector... If you removed the inj you had to unplug the connector ... the wiring is on top of inj....
the wiring at inj - A pink wire is common 12v, D BU/WH is control to PCM...with inj plugged in is there 12v on BOTH wires....might want to shake tug connector...
let us know then we can check control wire...


OK Maybe I misread "cleaned injectors" You used a bottle type injector cleaner? did not remove injectors for professional cleaning...


JLighthill
User

Jul 14, 2016, 11:25 AM

Post #3 of 9 (806 views)
Re: 2006 Chev 3500 4X4 Diesel 6.6 Duramax-where is injector #8 wire located Sign In

This is what we used to clean it:
http://www.ebay.com/...ps&ul_noapp=true


JLighthill
User

Jul 14, 2016, 11:34 AM

Post #4 of 9 (804 views)
Re: 2006 Chev 3500 4X4 Diesel 6.6 Duramax-where is injector #8 wire located Sign In

Is the injector wire where I can get to it without removing the valve cover?


kev2
Veteran
kev2 profile image

Jul 14, 2016, 12:19 PM

Post #5 of 9 (800 views)
Re: 2006 Chev 3500 4X4 Diesel 6.6 Duramax-where is injector #8 wire located Sign In

no valve cover removal for connector BUT you need to see it, might want to have a connector available there is a TSB for them and they are available separate.


https://www.youtube.com/watch?v=Yz1sxuOCuaE


(This post was edited by kev2 on Jul 14, 2016, 12:49 PM)


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jul 14, 2016, 12:51 PM

Post #6 of 9 (793 views)
Re: 2006 Chev 3500 4X4 Diesel 6.6 Duramax-where is injector #8 wire located Sign In

You didn't clean anything with that stuff. You just padded the parts man's pocket.,



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



JLighthill
User

Jul 14, 2016, 1:27 PM

Post #7 of 9 (786 views)
Re: 2006 Chev 3500 4X4 Diesel 6.6 Duramax-where is injector #8 wire located Sign In

Ok thanks. Also, just curious, I had another mechanic tell me today that another cause could be the O-ring or that it's losing oil pressure. Thoughts on that.


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jul 14, 2016, 3:01 PM

Post #8 of 9 (782 views)
Re: 2006 Chev 3500 4X4 Diesel 6.6 Duramax-where is injector #8 wire located Sign In

It is a circuit code or an electrical problem with that particular injector's circuit. It is not a mechanical issue. Cleaning an injector for an electrical issue is like vacuuming a lamp shade because the light doesn't come on.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


JLighthill
User

Jul 15, 2016, 6:24 AM

Post #9 of 9 (766 views)
Re: 2006 Chev 3500 4X4 Diesel 6.6 Duramax-where is injector #8 wire located Sign In

Thanks! Will update my results when I'm done.






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