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Discussion Starter · #1 ·
I have a 2004 6420 with 4000hrs. on it. i just serviced the tractor changing out all filters and oil. i was using it to bushhog and after apprx. 3 hrs. it started to sound like it was missing. it runs fine until you run the rpms up to apprx 1800 rpms and above the it sounds like it is missing. it loses power. it doesnt die but smokes a little. i have 2 fuel filters. i just changed the fuel filters, no hoses are leaking. what could be my problem?
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Probably your electric fuel transfer pump.

Edit: Just noticed that you did a recent service. Are you sure that the rear most filter is tight? Did you re-install the o-ring on the sediment bowl?
 

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Discussion Starter · #3 ·
Probably your electric fuel transfer pump.

Edit: Just noticed that you did a recent service. Are you sure that the rear most filter is tight? Did you re-install the o-ring on the sediment bowl?
thanks for the response. i will make sure the filter is tight. could you go head and send me a pic of the electric fuel transfer pump?
 

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also is there a spring on the filter??? some of them have them and can fall out easy when changing the filter
 
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