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34E is a rack position error code. It refers to the rack position sensor in the injection pump. It is probably the sensor needs replaced or adjusted. You need to make sure there is no wiring from the injection pump to the ECU damaged. If the wiring is damaged and shorted togather it can ruin the new rack position sensor. Hopefully its not the ECU. Have taken a few of these pumps to the pump shop with this problem. They can check that sensor to see if its bad.
 
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