XF and XFR ( X250 ) 2007 - 2015

Shifting to Park --> Engine Shut Off

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Old Jan 28, 2016 | 04:41 PM
  #21  
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DPK
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An eco function on a Jaguar is ridiculous IMO...that is one feature I would permanently disable...

14 XFR-S
15 V12 Vantage S
08 Exige S240
Quite the collection of fine autos there..I'm envious..in a good way of course
 

Last edited by DPK; Jan 28, 2016 at 04:45 PM.
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Old Jan 28, 2016 | 07:32 PM
  #22  
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That is a hell of a collection. Nice work.
 
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Old Jan 28, 2016 | 07:49 PM
  #23  
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Thank you, both.

I'm not a fan of the eco function, either. I've gotten used to it, but I still think that cylinder deactivation works better in the real world.
 
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Old Jan 29, 2016 | 11:48 AM
  #24  
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Originally Posted by sybarite
It would be helpful to know the year and model of your car, and whether it has the 'Eco' function.

On my '14 XFR-S, the 'Eco' function does exactly the same thing that you are describing, in addition to the usual 'Eco' operation at lights, in stop and go traffic etc. The difference between usual operation at a stop light, for example, is that it truly shuts off the car, including accessories like ventilation and the radio. It is intermittent because this function is only activated under certain conditions as determined by the ECU (for example, outside temperature, accessories running, level of charge). It is activated by firm brake pedal pressure, which is exactly what you apply when shifting the car into park.

The above may not apply to your situation, as it has nothing to do with how fast you turn the shift knob.
My car is a 2013 3.0SC. It does have the Eco function.

I'll add now that it doesn't appear have to anything to do with seatbelts or speed of knob twist. Sometimes it happens, sometimes it doesn't. I generally don't bother to disable the Eco so it's very likely tied to this stupid technology.
 
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