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figit090 · 07-11-2014, 09:39 PM

What about the brake booster when the engine is off?

Also, does an engine with a manual transmission use any fuel if coasting down a hill with 0 throttle, being pulled by gravity above idle RPM?

07-11-2014, 09:39 PM	#26 (permalink)
figit090 EcoModding Lurker Join Date: Mar 2012 Location: Northern California Posts: 89 Black Bovine - '86 Toyota Supra N/A base 90 day: 16.86 mpg (US) Grey Sandy - '03 Toyota Rav4 Sport Package 90 day: 21.3 mpg (US) Panda - '03 Volkswagen Jetta TDI wagon GLS 90 day: 44.17 mpg (US) Thanks: 18 Thanked 8 Times in 8 Posts	What about the brake booster when the engine is off? Also, does an engine with a manual transmission use any fuel if coasting down a hill with 0 throttle, being pulled by gravity above idle RPM?