CONTROLS 6
21
6.18 Cold start button
S05535-10
The cold start button
1
is fitted to the bottom of the throttle
valve body.
The electronic fuel injection system extends the injection time if
the engine is cold and the ambient temperature is low. To help the
engine burn the increased fuel quantity, it must be supplied with
additional oxygen by pushing the cold start button.
Info
Check whether the cold start button has returned to its
basic position.
Possible states
• The cold start button is activated – The cold start button is
pushed in all the way.
• The cold start button is deactivated – The cold start button is
in its basic position.
6.19 Idle speed adjusting screw
S05514-10
The idle setting of the throttle valve body substantially influences
the vehicle’s starting behavior, a stable idle speed, and the vehi-
cle’s response when the throttle is opened.
An engine with a correctly set idle speed is easier to start than an
engine with the idle speed set incorrectly.
The idle speed is adjusted using the idle speed adjusting
screw
1
.
Info
If the idle speed is high, the engine is slow to run, the
engine brake is low and the throttle response is aggressive,
the adjusting screw must be turned counterclockwise.
If the idle speed is low, the engine is running fast, the
engine brake is high and the throttle response is not clean,
the adjusting screw must be turned clockwise.
For optimum performance, it is recommended to adjust the
idle speed using the dedicated functions in the diagnostics
tool.
6.20 Shift lever
401950-10
Shift lever
1
is mounted on the left side of the engine.
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