MinorMatt wrote:What he said... was i running right before the change?
MinorMatt wrote:1173 relates to the sensor on the back of the pump and its looks at the position of the rotor (which is how much diesel its injecting).
1177 is a sync error as it says. 99.999% of the time this is a wiring fault.
I would start by checking the connections on the back of the pump
rick blue wrote:Ok, took the cover off the back of the epic pump. Ran engine to operating temprature. Idle behaving itself till engine is warming up and rpm rises to 1500. No warning light. Played with pump connection wiring by twisting it, gently, clockwise and anti clock wise, revs are rising and falling. My head is gonna explode.. I'll put the cover back and take it for a test run.
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