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    924G runs poorly and derates

    924G Loader derates and runs poorly. DDA03439. Very hard start. It has a 1684-8 code for erratic speed timing signal. I have replaced the fuel pump wiring harness, the pump, the ecm. Still have the same problem. I ohmed the speed sensor out fine but i will replace that next. Any ideas?
    • AaronAlaska
    • Thread
    • 1684-8 924 924g cat caterpillar derate loader loaders runs poorly
    • Replies: 7
    • Forum: Wheel Loaders
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