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Willyracer · 06-29-2021, 02:33 PM

I think the code was PO 87. and a code for high intake
air temperature
We was able to place a scanner on it while I was having
trouble and all the injectors was balanced and appeared to
be good.
But I not a diesel mechanic . If problem happens again
I was thinking injectors or cp3 pump. Both $$$ repair not
knowing for sure which is bad.

Thanks
David

06-29-2021, 02:33 PM	#3
Willyracer Junior Member Join Date: Feb 2019 Posts: 90 Likes: 8 Liked 57 Times in 24 Posts	Re: Duramax towing “engine reduce power” I think the code was PO 87. and a code for high intake air temperature We was able to place a scanner on it while I was having trouble and all the injectors was balanced and appeared to be good. But I not a diesel mechanic . If problem happens again I was thinking injectors or cp3 pump. Both $$$ repair not knowing for sure which is bad. Thanks David