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spongebob squarepants
Zolder


Joined: 20 Dec 2009
Posts: 5461
Location: Manchester and Iraq


PostPosted: Sun Sep 09, 2018 9:17 am    Post subject: Reply with quote

Perfect on the Merc, slightly firmer pressure when stopped and off it goes. Cracking feature, power steering also stays active. Also stays off and doesn’t do the annoying starting itself back up
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991 C2S PDK with X51 430 powerkit in racing yellow, PCCB, PDCC, PSE, Carrera S alloys, Sports design package with ducktail.
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EX 997.2 Carrera 4S PDK
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deMort
Long Beach


Joined: 21 Mar 2015
Posts: 6956
Location: Brighton


PostPosted: Sat Oct 06, 2018 4:48 pm    Post subject: Reply with quote

Some info i found on it ..



The Auto Start Stop function is not available in the
following situations, for example:
• When Sport mode is activated.
• When PSM is switched off.
• During manoeuvring.
• When AC MAX mode is activated.
• When the “Windshield defrost” function is active.
• At elevations above approx. 9850 ft (3,000 meters).
• After engaging a gear without pressing the clutch pedal
when the engine is automatically stopped.


The Auto Start Stop function is available with limited
functionality in the following situations, for example:
• If the air conditioning or passenger compartment
heating is operated at a high setting or if the defrost
function is running for long periods of time.
• If the charge state of the battery is low.
• On uphill or downhill gradients.
• When vehicle internal test processes are taking place,
for example automatic engine diagnosis.
• In the case of excessively low exterior or battery
temperature.
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Hamster75
Spa-Francorchamps


Joined: 07 Sep 2017
Posts: 281
Location: Chester


PostPosted: Tue Apr 02, 2019 7:17 pm    Post subject: Reply with quote

Just seen this thread,
I was nearly wiped out in an 2008 BMW 3 series,
Was an early version of start stop, which cut out just as I went to demand coming out of a motorcycle race meeting on a busy A49 junction, the car then wouldn't start on the push button start just as an artic lorry was rounding the bend. The lorry thought I was going to turn out & dash but nothing happened, he just missed me as I squirmed to the side of the road.
I hate start stop functions, although they have got more responsive as technology has improved. PC
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997.2 C4 White
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Alex
Le Mans
Le Mans


Joined: 06 Mar 2014
Posts: 16476
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Tue Apr 02, 2019 7:23 pm    Post subject: Reply with quote

They should only be fitted on cars owned in London.
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2000 Manual 996 C4 Arctic Silver Convertible


 
  
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deMort
Long Beach


Joined: 21 Mar 2015
Posts: 6956
Location: Brighton


PostPosted: Tue Apr 02, 2019 7:26 pm    Post subject: Reply with quote

On the Porsche,s then it can be coded off or you can press the button ..

I personally hate it and switch it off as soon as i've checked it works on every road test .
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gilford
Monza


Joined: 28 Aug 2006
Posts: 241
Location: Anglesey

2014 Porsche 991 Carrera 4S

PostPosted: Tue Apr 02, 2019 9:48 pm    Post subject: Reply with quote

First thing I do in my car after turning the key is hit the sport button which deactivates it, problem solved thumbsup
 
  
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infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 8306
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Tue Apr 02, 2019 10:04 pm    Post subject: Reply with quote

In my 2015 Golf it was PITA as it could cut out even when rolling at slow speeds and made the steering heavy etc, and on the odd occasion it wouldn't start back up and I'd get a message saying "Start Manually" I have now had a Skoda for over a year and that works perfectly to the point it can detect the car in front moving off and restart the engine.

I was always switching it off in the Golf, I haven't found the need to in the Skoda.

If OPC won't switch it off, I'm sure an indie would, although would it be a warranty issue if it was deactivated?
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pzero
General
General


Joined: 18 Jul 2010
Posts: 5379
Location: London


PostPosted: Wed Apr 03, 2019 7:51 am    Post subject: Reply with quote

gilford wrote:
First thing I do in my car after turning the key is hit the sport button which deactivates it, problem solved thumbsup


+1
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maldren
Suzuka


Joined: 07 Oct 2016
Posts: 1118



PostPosted: Wed Apr 03, 2019 8:10 am    Post subject: Reply with quote

alex yates wrote:
Haven't scientists proved now that someone exposed to car fumes all their life compared to someone who hasn't shortens their life by approximately 2 days or something really pathetic like that?


Sure there was a documentary on the TV about it a few months ago.


I think I'd choose to give up those 2 days in my late 90s! As my mum says 'getting old is no fun'.
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2003 996.2 C2 Coupe Arctic Silver
 
  
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spongebob squarepants
Zolder


Joined: 20 Dec 2009
Posts: 5461
Location: Manchester and Iraq


PostPosted: Wed Apr 03, 2019 8:28 am    Post subject: Reply with quote

You all need to get into a 991 PDK !

On the rare occasion it’s not in sport mode I stop, hold the brake on, the engine goes off, release it starts up, drive off, job done? PSE stays on throughout, so I get to hear the engine roar into life several times per trip, save fuel, save the environment etc. Kaboom bonus Thumb
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991 C2S PDK with X51 430 powerkit in racing yellow, PCCB, PDCC, PSE, Carrera S alloys, Sports design package with ducktail.
“Herman yellow, the last of the naturally aspirated”

EX 997.2 Carrera 4S PDK
EX 997.2 Carrera S PDK
EX 993 C2 manual in guards red
EX 997 C2 gen 2 PDK
EX 993 Targa
EX 993 Carrera 4 manual
EX 996 3.4 Cabriolet

Racing Yellow, there really is no substitute
 
  
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Luddite
Nürburgring


Joined: 18 Dec 2018
Posts: 403
Location: Scotland


PostPosted: Wed Apr 03, 2019 10:45 am    Post subject: Reply with quote

I`m guessing the opinion of one who identifies himself as Luddite is likely to be thought of as one sided...? (-:

I have witnessed the exponential growth of car ownership over more recent years and to think that air pollution would not be affected by that growth.... seems kinda much less than wise...? Governance of the situation may have seemed less than ideal, though they did try to get older and more polluting cars off the road via changes in MOT legislation, and later on the Govt scrapage scheme which seemed to suggest old petrol cars were best changed for modern diesels.... hmm..?

I live on a hillside overlooking a very large valley where in certain weather conditions the pollution created during rush hour to the local city can be seen as a grey green cloud hanging around, the time it takes to disperse depends upon weather conditions... Shock Horror...??? No not really as I grew up nearer the city and well remember smog caused by all the coal fires and heavy industry the city was once famed for, the river ever polluted by all sorts of industrial and other processes causing it to change colour from time to time.

Strange as it might seem, or not.. life expectancy was somewhat shorter in times past and circa 1977 the company doc where I worked had created stats that seemed to suggest the average lifespan relative to time picking up the company pension after retirement at age 65 across shift and non shift working employees/office/shop floor/men/women, averaged out circa 11 weeks..

Today things have probably improved somewhat, next to zero heavy industry, ship building has declined considerably and pollution by that which is left is monitored closely to the extent even an occasional determined Salmon has been found in the river at the city centre....

Guess it`s a bit like Brexit, you can come into the discussion from any angle and as aggressively as you wish to PROVE you are right...? ME..? I prefer to just observe.

I have worked in and around all sorts of processes with levels of "pollution" that few might choose to subject themselves to, and some of that while rebuilding my old and rusted cars, welding fumes, dust from rubbing down filler, spray painting and not forgetting exhaust fumes, and yet I am still around..... Started work at age 15 retired at 65..

Sorry I have digressed.... Auto stop/start.... strange as it might seem I also worked with leading edge technology and have been involved in situations where programming was proved to be flawed in a certain mix of physical circumstances where human interaction was involved... but at least the "errors" did not result in a hundred or more folk nose diving into the terrain in an uncontrolled fashion..!!!! Without any data as proof.... I suspect I would be horrified at the amount of accidents created or involving stop/start technology catching folk out.... but then the I should have every confidence that the programmers have thought of EVERYTHING to ensure there would be no such possibility.. Yes, No, Perhaps....?

I suspect Hamster 75 may not have been alone in having suffered some sort of technological failure that may have shaken him to the core at least he was not in an aircraft and could limp to the side of the road.... I have knowledge of one car park accident where the all the circumstances are not clearly defined but the outcome was...! The car parked on a hill, an automatic, the stop button pushed from a position outside the car but leaning in, the car then ran backwards running over the owner breaking both legs and the vehicle came to a stop against another car in the car park causing damage to both cars, it was most fortunate indeed that no one else found themselves in the path of the run-away car... I suspect the stop/start system was not entirely to blame, but one push of a button and the technological to human interface was I imagine operating outside the design criteria the programmers had EVER contemplated.....? So be careful in car parks folks especially with kids.

As for pollution.... I suspect I have created a great deal of it, as I also suspect YOU may have too..

Just thinking in type.. Question
 
  
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jonttt
Zolder


Joined: 20 Aug 2012
Posts: 5921
Location: Liverpool


PostPosted: Wed Apr 03, 2019 11:01 am    Post subject: Reply with quote

It won't be an issue when all porsches are hybrid wack
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