[Euro] Incredible fuel consumption!

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Originally Posted by Catcha

I think personally and was told its dangerous, reason being your not in gear, so if you need to accelerate or get out of a situation, your not in gear for the right speeds therefore you cannot maximise your speed. I see it as not different in pressing the clutch and changing down just like netural but you know your in control.........I think that makes sense :confused:

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ditto.

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Originally Posted by stephen8512

thats what i do in my manual
when it goes amber, i shift into neutral, then glide to a stop, and if i can take the foot off the brake whilst still being stationary and not rolling forward or back i will do so.....
but pple say downshifting is better? i just find it tedious.....can someone give me an explanation as to why downshifting is preferred as opposed to just gliding to a halt?

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If you are coming to a complete stop, there is no point downshifting. But what I do is slow down, still in gear and once my rev drop to 1200 or so, then I press the clutch in. Once I am at a complete stop, I shift the neutral.

For autos, if you want to shift to N, then do so AFTER you have stopped, and not on your approach to stopping.

yeah thats what i do aaron....exactly what u described, but i do it like this
*yellow amber signal*
*lets say im in 4th gear..slow down to about 1500rpm*
*push clutch in and shift to neutral*
*press brake and glide to stop*

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Originally Posted by stephen8512

yeah thats what i do aaron....exactly what u described, but i do it like this
*yellow amber signal*
*lets say im in 4th gear..slow down to about 1500rpm*
*push clutch in and shift to neutral*
*press brake and glide to stop*

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Yup, we're doing it pretty much the same since we would be pretty slow at 1200-1500rpm in 4th. Actually, now that I think of it, there is not much acceleration on offer in 4th at 1200rpm... So for me to keep it in gear is probably just a habit. :)

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Originally Posted by aaronng

For autos, if you want to shift to N, then do so AFTER you have stopped, and not on your approach to stopping.

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Why? Wouldn't that improve fuel consumption? I notice that the auto downchanges when slowing. Unlike my Camry which goes to neutral, I think.

Apparently shifting from neutral to drive at every traffic light is a bad idea (talking about the AUTO here - according to my mechanic father). He once saw me do it - in his auto - and gave me a big serve :D He said something along the lines of - "it is not a manual - putting it in and out of gear all the time is not good"

You save fuel if you leave it in gear when slowing down. Once you are stopped, then N saves more fuel. But as yfin said, everytime you shift from N to D, the auto does some pretty big movements in the transmission. Very different compared to a manual.

... well, Ive got three years warranty.

:P

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Originally Posted by jl88rl

... well, Ive got three years warranty.

:P

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me not understand?

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Originally Posted by msnealo

me not understand?

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Auto box. If it breaks, Honda fixes it. No clutch for them to blame on wear and tear. :D

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Originally Posted by yfin

Apparently shifting from neutral to drive at every traffic light is a bad idea (talking about the AUTO here - according to my mechanic father). He once saw me do it - in his auto - and gave me a big serve :D He said something along the lines of - "it is not a manual - putting it in and out of gear all the time is not good"

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Yeah, I've heard that advice before. However, doesn't the Holden Astra do this automatically when stationary?

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Originally Posted by Justin L

Yeah, I've heard that advice before. However, doesn't the Holden Astra do this automatically when stationary?

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If the Astra box is manufactured to do this - that is completely different to an auto box that is designed to be left in D.

With most autos you get a jerk or clunk when you shift from N to D. Repeat that process thousands of times per year more than the person who leaves it in D (if it becomes your habit in daily driving at every stop light - that is a fair call I think) - it makes sense that it can lead to gearbox problems.

jl88rl - you make a good point about warranty but you never know your luck. Your auto box could go in 3 years and 1 day.

I say leave it in D - not worth it in an attempt to save maybe $20 of petrol per year.