Quote:
Originally Posted by mada88
Which uses more fuel then in gear or in neutral?
Thanks
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Coasting in neutral
uses a small amount of fuel as the engine idles, but you will coast much further than you will when engine braking (coasting in gear). Coasting in gear uses no fuel, but you will bleed off speed quicker, so you will need to press the accelerator and start using gas much sooner than you would if you were coasting in neutral. Coasting in gear is engine braking, which converts into heat the inertia you had previously burned fuel to build up, but it just does it at a slower rate than you typically do when using your friction brakes.
For most driving (from low to high in fuel usage); coasting in neutral (engine off), coasting in neutral (engine on), coasting in gear (DFCO). Use coasting in neutral (preferably with engine off) in most cases, only using coasting in gear when approaching a lower speed zone or stop or when going down a hill where coasting in neutral would allow your speed to get too high.