· Engine running at idle speed
· Throttle valve aperture less than 19 %
· Following trouble codes not stored: 21, 22
· Intake manifold absolute pressure greater than
985 hPa
The
above conditions must be fulfilled for at least 3 s
If
trouble code 33 was recognized, the system calculates with the following
replacement function:
Engine
not running:
Intake
manifold pressure equals 900 hPa
Engine
running:
The
control unit calculates the intake manifold pressure depending on the engine
speed and throttle valve position
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