Posted by Brandon Frazier on May 17, 2009 at 19:52:28 from (69.152.16.146):
In Reply to: JD 5105 want start posted by Willy P on May 16, 2009 at 19:15:49:
Im not sure a 5105 is the same but a 5305 ran me crazy one day with the same problem you are describing. There is a coolant sensor on the front of the block on the left side of the tractor, this sensor is is wired into the wiring to the injection pump. On the 5305 when the water temp was cold, or for cold weather it changed the timing so the engine would start faster and not diesel knock so hard ( so my injection service place tells me) . Well the sensor was bad on the tractor I was working on and it had the timing retarded so far it would not start. I finally just disconnected the sensor and it fired right up. It was a new one on me for sure. Im still not sure how they get variable timing out of that kind of injection pump anyways.
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