How does the system for engine start work when i-stop is engaged?

olaham

Member
:
Mazda CX-5 2.0 AT AWD 2013
Hello

I am just curious how the restart of the engine work when i-stop is engaged and the engine restarts at a red light for example? I mean technicaly, does anyone here know how Mazdas system work? I can clearly hear that it is a different sound when the engine starts when i am at a red light or when i push the start button in the morning.
Can it be that the engine uses the compression in some how when restart? I mean that the engine stops at a certain stage and can use the high compression to cough it back up again? I have also noticed that it restarts after a sertain time when i am at a red light, even if i have held my foot hard at the brake pedal, maybe 1 minute or so, the it restarts.

Ola
 
Exactly :)

And nice to see another Scandinavian in here :)
Still waiting for my 2016 2.5 AWD to be delivered mid Februrary.
 
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