torque AUDI A8 1998 D2 / 1.G ATQ Engine Electronic Engine Power Control Checking Workshop Manual

24-135
With engine running (under load), the ECM can
open or close the throttle valve independently of
the sensor for accelerator pedal position.
This means, for example, that the throttle valve
could be fully opened even though the
accelerator pedal has only been depressed half
way. This has the advantage of preventing
torque losses at the throttle valve.
In addition to this, it results in significantly better
values relative to emissions and consumption
under certain load conditions.
It would be incorrect to think that "E-Gas"
consists of only one or two component. E-Gas is
much more of a system containing all
components that contribute to recognizing,
controlling and monitoring the position of the
throttle valve, e.g. sensor for accelerator pedal
position, throttle valve control module, EPC
warning lamp, Engine Control Module (ECM).
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