Also, on dual clutch gearboxes, both clutches are disengaged when at standstill, and therefore, there is
no extra load on the engine.
What could be causing
this extra load on the engine?
The valve helps counter anything the driver may do to put
extra load on the engine, such as turn on the air conditioning, sound systems, lights, etc..
Not exact matches
I believe the reason why the rolling - start fix works is that it applies an additional
load on the
engine that demands
extra fuel.
At idle the
engine will have some trouble maintaining a smooth idle when the AC is
on due to the
extra load.