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Ask GM Tech (Cam) Your Own Question

GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 27664
Experience:  GM Grand Master Technician 2007. 11 years experience.
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Check engine light on, no power on hills 2006 duramax, what happened

Resolved Question:

Check engine light on, no power on hills 2006 duramax, what happened to the power
Submitted: 5 years ago.
Category: Chevy
Expert:  GM Tech (Cam) replied 5 years ago.

WelcomeCustomer Let me ask you a couple of questions first.

When did you last replace the fuel filter?

What is the mileage on your truck?

Have you had the code read from the truck?

Customer: replied 5 years ago.
I show 23% remaining on the fuel filter on the truck computer. i have 79,200 miles, I have a Bully Dog chip installed on tow/economy. I have not had the code read on the truck.
Expert:  GM Tech (Cam) replied 5 years ago.

Ok. You need to get the truck scanned. I expect I know what code it is, but I don't want to speculate until I know for sure. For now, I would start by replacing your fuel filter. The reminder only goes my mileage. It will not know if the filter is plugged from a bad tank of fuel. A part store like Auto Zone will have a code reader. Post the code and I will be happy to help you diagnose it.

Customer: replied 5 years ago.
Do you think it is the turbo?
Expert:  GM Tech (Cam) replied 5 years ago.
I honestly don't think so. I expect the code is a P0087 which is Fuel rail pressure low. When this code sets, the engine will only do 2000 RPM's and have little power. As i said before, need the code to do anything.
Customer: replied 5 years ago.
The DTC code from my bully dog says PO299
Expert:  GM Tech (Cam) replied 5 years ago.
Ok. So it is not the code I thought. Have any of the turbo hoses come off? Is there any other codes?
Customer: replied 5 years ago.
I will look at the hoses later today. No other codes
Expert:  GM Tech (Cam) replied 5 years ago.
If a hose has come off, then this code will set. I will post the diagnosis for this code after this reply.
Customer: replied 5 years ago.
which hose am i looking for? Turbo? or where
Expert:  GM Tech (Cam) replied 5 years ago.
You are looking at the charge air cooler hoses. There is one off each side, of the turbo and there is a rubber boot at each end of the hose. See if any have come off. If there is some oil in the hose, that is normal.
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 27664
Experience: GM Grand Master Technician 2007. 11 years experience.
GM Tech (Cam) and 4 other Chevy Specialists are ready to help you
Customer: replied 5 years ago.
hoses look good my afe air intake was extremely dirty. cleaning it now.
Expert:  GM Tech (Cam) replied 5 years ago.

That would cause it. Let me know.

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