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Thank you, Rusty and John....today I went to the
airport and ran the engine for a couple of minutes and checked the water temp
readings. ECU water temp readings were -24 C. I cut the wire that shared the
water temp sending unit with the ECU, and the temp immediately went up to 48
C. That's more like it. The engine has a stock water temp sender
next to the oil pressure switch. I will try using that to send temp information
to my engine monitor. If that does not work, I will install another temp
sending unit like the one that came stock in the water pump
housing.
Of course all the time I
spent programming maps are out the window, as they were programmed with
erroneous water temp input. Fortunately, I have finally gotten comfortable and
familiar with the programming, so it won't take long to reprogram the maps to
suit the correct water temp readings.
Thanks again for informing
me that I could not wire two devices to one sending unit. Now, the after
start enrichment works properly, and my ECU should also function better with
proper temp inputs. Paul Conner
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