Problems with CAT 3116 - Diesel Truck Forum -
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post #1 of 3 (permalink) Old 01-27-2008, 10:40 PM Thread Starter
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Problems with CAT 3116

Hey, everyone, im new to posting here, but reading for a couple months now. I work on Detroits and Mercedes and got my first taste of a CAT this afternoon. It is in a d5 dozer. The problem(according to the operator) is it skips and acts like it is fixing to die. He changed the fuel filters and it did it again, but he didnt use it long and gave up(it was friday afternoon). So I went over today to check it out and drove it 2 hours and it did not act up. Hes going to run it tomorrow and see what happens. Now, whether or not it acts up, I want to go back and check fuel pressure and restriction. Does anyone here know what these values should be at idle and NL? Also, where do they need to be checked. I noticed a quick disconnect on one of the fuel lines, can this be used? I already have a fitting on my pressure gauge for that style fitting.
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post #2 of 3 (permalink) Old 01-31-2008, 10:33 AM
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the rack may be sticking if it does it again take the valve cover off and move the throttle and see if the rack moves, we had a 953c that did this but we had to take it to cat

05 f250 rclb fx4 6.0 6" rize lift on 37's, innovative tuned sct, arp studs, rcd head gaskets & liberator full egr delete(installed by lead foot diesel performance),coolant filter(dieselsite),cfm+ intake, 4" fbd straight pipe 7" tip, fire and ice light bar,
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post #3 of 3 (permalink) Old 02-02-2008, 02:02 AM Thread Starter
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well, ended up being a plugged crankcase breather. never seen that cause low power before, but i guess anything is possible!
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