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CATEGORY LISTINGS > CATERPILLAR > 2001 6nz loss of manifold [ REFRESH ]
Thread Title:

2001 6nz loss of manifold


Created On Saturday November 29, 2014 13:30 Diesel Talk
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dombros
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Posts: 1
Joined: Nov 2014

Note Saturday November 29, 2014 13:30 View thread in raw text format
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Hello everyone,

I have a 2001 6nz that is having the following issues:

1) Audible miss under a load (idles fine)
2) Manifold pressure rises slowly and stalls at 15 lbs. but will reach 25 lbs. if I keep my foot in it.
3) Sounds like an injector under a load but doesn't blow smoke.
4) Checked for codes (none found) turbo sounds good (runs cool)

5) Changed filters and adjusted the overhead
6) Water and oil temp normal
7) Fuel pressure normal 75 idle - 95 pulling

Could it be:

Air/ratio valve?
Fuel transfer pump?
Air to air cooler? (didn't think I could get 25 lbs. manifold if this was the issue)


Any help would be greatly appreciated!

-------------------------
25 years in the business

Edited: Saturday November 29, 2014 at 14:59 by dombros
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westcoast
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Joined: Dec 2008

Note Monday December 08, 2014 05:33 View users profile View thread in raw text format
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Injector oring or clamp bolt Regards David

-------------------------
detroit
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