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Old 12-18-2009, 04:06 PM   #140 (permalink)
Master EcoModder
orange4boy's Avatar
Join Date: Aug 2008
Location: Canada
Posts: 1,218

The Golden Egg - '93 Toyota Previa DX
90 day: 31.91 mpg (US)

Chewie - '03 Toyota Prius
90 day: 57 mpg (US)

The Spaceship - '00 Honda Insight
Thanks: 84
Thanked 261 Times in 150 Posts

I wish a PHEV conversion was as simple in the 2003 Prius. I'm looking forward to yours.

I think the coolant hack must have some emissions downsides as you are telling the ECU that the coolant is warmer than it is. I'd rather just preheat as much as possible. I will probably have two coolant heaters set up eventually.

Bob has done this hack and probably knows the emissions angle.

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