thanks for the responses, according to the bently
manual the cold start valve injects fuel only during
the actual starting of the vehicle (while the starter
is in use) and not during the warm-up.  Is this
incorrect?  I am new to the fuel injection system used
on these motors, and with the information you have
provided I am starting to doubt this manual that came
with the bus.  I will certainly check the cold start
valve again (I checked it initially using the
recommendating that it was accuated only on start up),
but any other suggestions would be greatly
appreciated.

Thanks,
Randy

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