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Duramax Second Generation: 2004.5-2005 (LLY) Discuss the second generation (2004.5-2005 LLY) of the 6.6L Duramax diesel engine & associated components. 2006 LLY engine discussion belongs in Third Generation forum due to the differences of the 2006 LLY and the 2004.5-2005 LLY. Engine related discussion ONLY.


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Old 07-08-2019, 10:45 PM   #1 (permalink)
oonighttrain
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brand new oem bosch injectors flow rate?

i got a brand new set of bosch oem injectors from lincoln diesel. they have been installed and everything seems ok. my question is, does someone need to go into the computer and change anything around if the original factory injectors were replaced with new oem bosch injectors? thanks!

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Last edited by OkDually; 07-09-2019 at 08:08 AM. Reason: prefix
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Old 07-09-2019, 08:16 AM   #2 (permalink)
Rvn4me
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What did Lincoln diesel say?
https://www.dieselplace.com/forum/63...ogram-not.html
There’s many threads in this “Do new injectors need programmed”

This is how I take it.
If you are putting stock Bosch injectors in a truck, they should be programmed if you want the balance rates to be correct, but if you are using modified or non-factory remanned injectors, there is no need to go through the programming. It is only used for calculating the balance rates. If you are using modified injectors that have been balanced, you could probably go in and make the codes all the same, but I doubt it would really make much of a difference.

Google “duramax new injectors and programing” lots to read

If you replaced your ecm, the flow rates are also stored in the gpcm also. So with a good scan tool you can copy the flow rates from the gpcm to the ecm.

Are your Bosch remans have the flow rates echted in the side of the injector body or did you just get a sheet?

Bosch injector is most often referred to as a NEW injector even though there actually remanufactured.


Last edited by Rvn4me; 07-09-2019 at 08:44 AM.
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Old 07-12-2019, 09:41 AM   #3 (permalink)
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You can't program flow rates on an 04.5-05 LLY engine.
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