Posted by Bob on March 06, 2011 at 17:15:51 from (173.226.56.4):
In Reply to: Farm truck problems posted by k.daddy1 on March 06, 2011 at 16:53:30:
You HAVE to check the fuel pressure. That injection system has spring-loaded poppet valves AFTER the electric injectors and those have to "pop" under adequate fuel pressure, much like a very LOW pressure version of a diesel injector.
If fuel pressure is even 5 PSI LOW due to fuelpump problems, a clogged filter, or stuck fuel pressure regulator the poppets will NEVER open and NO fuel will be injected.
IIRC, (verify this) fuel pressure MUST be 60-65 PSI.
Watch it during cranking to be SURE the pressure stays up even when the battery voltage is pulled down by the load of the starter.
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