cat 3406c
jboy

Keller, TX

#1 Sep 14, 2010
i have a cat 3406c in my 359..the truck dont pull worth a shit ..fuel pressure drops about 10 psi when you jump on it..you really gotta wind it up because the next gear is to low and won t pull....i changed the filters and it helped alot but still having these problems...i m kinda thinking im sucking air or transfer pump might be weak...anyone have any thoughts on this..sure would help
matt rutt

Jim Thorpe, PA

#2 Nov 1, 2011
check to make shore that the fuel lines aren't braking down on the inside and check fuel pump timing advance to make sure that the waights aren't broke, an check the stop screw to make sure that it is set so that the pin isn't coming out to fare.
txtruson

United States

#3 Jul 13, 2012
3406c...oil leak @ the [p/n 7c-0942] adapter plate above the inj. pump. does the front housing have to be removed to replace the gasket and o rings on the adapter?
yusnel

United States

#5 Mar 30, 2014
jboy you fuel filters have to. be caterpillar

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