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· Engine
running
· Following
trouble codes not stored: 21, 22, 33, 34
· The control
unit recognises an intake manifold pressure which cannot occur under the
current engine load conditions.
These values are dependent on the engine speed and the
throttle valve position.
· Above
conditions must be fulfilled for at least 2 s
Effects:
Throttle valve opening less than 10 %:
· Oxygen
sensor regulation is switched off, i.e. open oxygen sensor loop
· Engine speed
higher than 1400 rpm:
All 4 injectors are switched off
· Engine speed
lower than 1400 rpm:
Only 2 injectors are used
Throttle valve opening greater than 10%:
· None
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