Holley sniper EFI motor suddenly revving uncontrollably when I blip the throttle

RustyRatRod said

I take that as a "yes". That's worse than some of these congressional answers I've heard.

I would check the resistance on that temp sensor. From the sound of it, you'll need to to it while it's up to operating temp.

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I'm sorry I was trying to give you a more complete answer than simply saying "yes". I got the impression that you were not familiar with the aftermarket throttle body efi systems. The water temperature sensor that came with the unit was reported as unreliable and I replaced it with the recommended sending unit. I trust that the water temperature it is reporting is accurate enough, I think that the old one was reading about 15 degrees colder than actual. This car leaves the start line at 160 water temp and usually gets no higher than 175 by the time I shut it down in the pits. I'm not going to say that I have had zero cooling system issues with this motor because I don't want to jinx myself!