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97' 12 valve will not rev
Well we put a new lift pump on and it started running like a dream again....for about fifty miles, now it seems to be starving of fuel again, and or sucking air. we replaced the rubber fuel lines, and fuel shutoff solenoid. The fuel line coming out of the lift pump is clear and looks like it...- backcountry
- Post #6
- Forum: 5.9L 12 valve Cummins
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97' 12 valve will not rev
I replaced the small fuel line to the IP, and also cleaned the pre-filter. The problem got a little better but is still doing it. Now the truck wants to die if you let off the throttle right after you get on it. Also seemed like it got worse when locking the torque converter. I dunno...- backcountry
- Post #4
- Forum: 5.9L 12 valve Cummins
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97' 12 valve will not rev
Hey guys I have a 97 12 valve with about 150k on it and all of a sudden one day it just stopped reving. It starts up great and idles great but around two thousand rpm's it just drops off. It seems like it might be a fuel problem but I'm just not sure. replaced the fuel filter and the fuel...- backcountry
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- Replies: 6
- Forum: 5.9L 12 valve Cummins
