Quote:
Originally Posted by Partial Stall
I hear ya, but even at idle there is combustion. Off throttle, say going down hill pretty sure there is still spark and measurable amounts of exhaust  |
I do notice.. when 'coasting' to a stop, if you put the car in NEUTRAL, the AFR remains around ~14. But if you keep the car in gear, the AFR goes up to 20+.. Does that mean you get BETTER MPG's if you keep the car in gear when approaching a stoplight, rather than putting it into neutral?