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What does ECO button do?
#1
Wink 
Hello,

Mid 2020 diesel XL auto that I’m very happy with.

Tried the ECO button recently. Not sure what it does? 

Stay in highest gear? Freewheel (not sure if that’s possible!) 

Does anyone know?

Thanks,
Craig
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#2
Dulls the accelerator pedal most importantly. Other energy saving features as well but irrelevant.
2021 130hp 1.5 BlueHDi EAT8 L2 XTR Gris Platinum
ex: 2003 1.4i cargo
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  • MiloMc
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#3
(14-03-2022, 07:43 AM)boop Wrote:  Dulls the accelerator pedal most importantly. Other energy saving features as well but irrelevant.

My van sometimes tells me it's activated the ECO mode of its own accord.  Maybe this is why I've been finding it sluggish?
Work van:     2020 1.5 BlueHDi 100 Enterprise Berlingo
Spare van:    2001 1.9 600d Berlingo
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  • MiloMc
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#4
It may not be at all the same thing but the Volvo trucks I drive have an ECO button with separate + and - buttons. In these trucks it widens or narrows the range of 'free play' in the cruise control, i.e. max ECO means the CC does not kick in till your speed drops below (set CC speed - 5mph) and does not cut out until (ditto + 5mph), which has the effect of cruising on tickover downhill but losing speed uphill, whilst least economy works at (set CC speed) +/- 1mph.

In some other brands of truck the settings step at about every 0.6 mph, clearly kilometers relabelled.

TBH I always use the least economical setting because it gives me the greatest control over road speed, especially in 40 30 and 20 limits. My boss might fry me if he found out! He recently had all the trucks reprogrammed so that they are already on +/- 5mph at start-up, hoping that the newer drivers know no better.
53 1.4i MS MPV RIP
53 1.6 MS Desire RIP
08 C4GP 1.9 VTR+
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  • MiloMc
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#5
@notsofast ECO mode on the dashboard of M59 & B9 means the electrical systems have been shut down to protect against flattening the battery, this is different to the ECO button on later vehicles.
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Not a Citroen!
______________________
Previous:
2017 B9 1.6 BlueHDi Van
2012 B9 1.6 HDi Van
2008 M59 1.6 HDi Van
2003 M59 1.9D Van
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  • MiloMc
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#6
(14-03-2022, 10:21 AM)Zion Wrote:  @notsofast ECO mode on the dashboard of M59 & B9 means the electrical systems have been shut down to protect against flattening the battery, this is different to the ECO button on later vehicles.

Sometimes when I start up my K9 it says on the screen "ECO mode activated", even though I haven't pressed anything.  According to boop's reply, this means the throttle response is dulled, so I'm wondering if this is could be one reason why the vehicle feels sluggish?  Sometimes I press the throttle and nothing seems to happen, which I had put down to a sort of 'turbo lag' at low revs, but maybe electrical gremlins mean I'm driving in ECO mode without knowing it?
Work van:     2020 1.5 BlueHDi 100 Enterprise Berlingo
Spare van:    2001 1.9 600d Berlingo
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#7
Ah I forgot you have a K9 now, yeah could be.
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Current:
Not a Citroen!
______________________
Previous:
2017 B9 1.6 BlueHDi Van
2012 B9 1.6 HDi Van
2008 M59 1.6 HDi Van
2003 M59 1.9D Van
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#8
I used it a couple of times to see what it does and man does it cut down throttle response! It's like it cuts the power to half! Probably great on a run but day to day driving its really noticeable - i'll confirm once I finally get my van back!
Previous Berlingo: 2015 1.6 L1850 90ps In Artic Steel inc Look Pack and Lighting Pack.

Previous Berlingo: K9 2018 Driver M 100ps in Platinum Grey with Safety Pack

Current Berlingo: 2021 K9 Driver M Pro 130ps EAT8 in Platinum Grey with Safety Pack
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