Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Why is my idle higher while coasting than when I'm stopped?

IsaacCarlson · 10-08-2010, 01:00 AM

Some auto's will idle at a higher rpm when moving to better match revs when going back into gear. If the idle were too low, you would feel a clunk as the tranny re-engaged.

10-08-2010, 01:00 AM	#12 (permalink)
IsaacCarlson eco....something or other Join Date: Jul 2009 Location: Colfax, WI Posts: 724 wood hauler - '91 Ford F-250 Team Pontiac 90 day: 26.69 mpg (US) Rav - '06 Toyota Rav4 Base 90 day: 26.52 mpg (US) Thanks: 39 Thanked 67 Times in 50 Posts	Some auto's will idle at a higher rpm when moving to better match revs when going back into gear. If the idle were too low, you would feel a clunk as the tranny re-engaged. __________________ 1991 F-250: 4.9L, Mazda 5 speed, 4.10 10.25" rear