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C4 - DS4 Owners :: Forums :: Citroen C4 Picasso and Grand C4 Picasso (B78) 2013 onward :: Citroen C4 Picasso and Grand C4 Picasso (B78) Road Tests and Model Reports
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Auto Stop/Start
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Author Post
gittos   
Sun Mar 10 2019, 06:16pm
Member No: #30055
Joined: Apr 02 2013
Location: Bolton
 This video may be of interest...
iscom   
Mon Mar 11 2019, 04:21am
Member No: #20936
Joined: Jul 21 2011
Location: Ireland Fermanagh & Galway
 I thought the reason for stop/start was to reduce pollution, not on saving money on fuel
Jimux   
Mon Mar 11 2019, 04:26am

Member No: #8137
Joined: Mar 08 2009
Location: Kent, UK
 There are several types of stop start technology. Not all are as responsive as the PSA system.
gittos   
Mon Mar 11 2019, 07:26am
Member No: #30055
Joined: Apr 02 2013
Location: Bolton
iscom wrote ...

I thought the reason for stop/start was to reduce pollution, not on saving money on fuel

More likely to help the car meet emmissions standards.
routemaster1   
Mon Mar 11 2019, 12:08pm
Member No: #574
Joined: Jul 08 2007
Location: Dorset
Jimux wrote ...

There are several types of stop start technology. Not all are as responsive as the PSA system.

There is more than one PSA system. The one on our C4 Picasso (if it ever works again) will operate in neutral with the clutch up at below 12mph; if you drift downhill in neutral it will restart at 12mph. The one fitted to our now dead C3 would only operate when absolutely stationary and restarted as soon as the wheels moved. It would also restart with a tug on the steering wheel, which does not happen in the Picasso.

Whether the 1.6 HDi Picassos are the same as the 2.0HDis, I don't know!
proinnsias   
Tue Mar 12 2019, 06:37am
Member No: #43821
Joined: Feb 21 2016
Location: Dublin
 1.6 HDi here : early-2016 build date
Acts more like the C3 you mention

Dead Stop / Neutral / Clutch out == Eco (Stopped) assuming battery / load etc conditions are also met
* Open Passenger door (bonnet release side) : Starts (Safety thing)
* Wheels move (coasting / rolling) : Starts
* Engage Power Steering : Starts
* Increased load on electrical system (heated seat turned on) : Starts
routemaster1   
Tue Mar 12 2019, 06:47am
Member No: #574
Joined: Jul 08 2007
Location: Dorset
proinnsias wrote ...

1.6 HDi here : early-2016 build date
Acts more like the C3 you mention

Dead Stop / Neutral / Clutch out == Eco (Stopped) assuming battery / load etc conditions are also met
* Open Passenger door (bonnet release side) : Starts (Safety thing)
* Wheels move (coasting / rolling) : Starts
* Engage Power Steering : Starts
* Increased load on electrical system (heated seat turned on) : Starts

I thought that there could be a different system for the 2.0 and 1.6HDis. I wonder if this extends to other models, or even to Peugeots. We have just got a C3 Puretech 1.2 110bhp turbo petrol. The stop/start seems to be very similar to the diesel C3, but I haven't had it long enough to spot any difference.
bluehdi   
Tue Mar 12 2019, 05:45pm
Member No: #2617
Joined: Mar 02 2008
Location: Essex
 On my 2014 C4GP EAT6, stop/start only activated when the speed of the car was 0mph and I’d stopped moving,

My first new 2017 Peugeot 3008 GT 180EAT6 was exactly the same.

On my current 2018 3008 GT 180EAT8 it now cuts the engine when slowing down (around 12mph) and the engine is off before I’ve even stopped.

Within the PSA range there are certainly differences between stop/start behaviours depending on which engine is fitted to the car and manual and auto gearboxes:

On the new 3008 range, 1.5 and 2.0 180 Bluehdi EAT8 cut the engine at below 12mph. On manual gearboxes it’s below 2mph

All very confusing.
 

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