Posted by Owen Aaland on July 28, 2010 at 14:56:21 from (65.165.246.191):
In Reply to: 1256D hard starting posted by davebda on July 28, 2010 at 12:48:10:
Quoting Removed, click Modern View to see
Do you get smoke out the exhaust while it is cranking? Did you have the injectors rebuilt? If the pump is getting on the weak side it may not be able to create enough pressure to open the nozzles when the fuel is warm. If that is the case you will either need more pump work or lower the opening pressures in the nozzles.
One other thing, if your pump has a recirculation line on it from the engine side of the pump to the inlet fitting it should be removed. I do not know when the change was made to eliminate it but the 06 models with RoosaMaster pumps came with the line. The idea was to recirculate the fuel without returning it to the tank to avoid going through the filter again. It was an attempt to get longer life from the fuel filters. The result was hotter fuel in the pump with loss of power and hard restarts when warm.
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