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| Ive posted about this numberous times and ive done a couple more tests to help scratch your guys brains, So for those who dont know i bought this combine from a neighbor, and when i drove it home in June of 2024 non of these issues occured it ran fine and was perfect, last harvest i had 44e come up for no more than 5 seconds (44e Auxillary speed sensor fault) , replaced sensor before harvest, replaced fuel filters, dumped in a gallon of ATF (helped issue a little bit), this year i was gonna fix it right, began diagnosing found the speed sensor and the Fuel temp switch share a ground and found a thin wire, replaced temp switch and retrofitted the old harness to fit the new connector, saw i had a fuel leak on the electric fuel pump, replaced electric fuel pump and replaced O-rings and theres, no leaks. but the surges still present, tested Rack actuator and the voltage, would drop half a volt every so often so, based off That I know its not the injection pump, i found underneath the ECU theres like an AMP connector, and that was severely corroded, and looks like thats main power coming into the ECU, but after cleaning that isssue is still present. figured id pick everyone elses brain and see if you guys no anything. 44e is the only code ive gotten. I think i put the pictures in the forum, attempted to clean them but its not a 100 percent would it just be wiser to repin that connector.
Edited by dahlerupc 9/8/2025 12:12
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9600 combine engine surging