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120c

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    John Deere 120c Rough idle when it warms up

    John deere 120C SN FF120CX035538 My John Deere 120C Idles rough when it gets to normal operating temp but runs smooth on start and then slowly gets worse as it comes up to temp. it chugs like its missing or sucking air. I have replaced all the injectors and the fuel lines going to them as well...
    • natew
    • Thread
    • 120c excavator idle john deere timing hydraulics fuel rough idle
    • Replies: 8
    • Forum: Excavators
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