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Socket for OBD Onboard
Diagnosis
Primary components in the vehicle emissions
can be checked via the OBD socket using a de‐
vice.
Emissions
The warning lamps light up. The vehicle
is producing higher emissions. You can
continue your journey, but moderate
your speed and exercise due caution. Have the
vehicle checked as soon as possible.
Under certain circumstances, one of the lamps
flashes or lights up continuously. This indicates
that there is excessive misfiring or a malfunc‐
tion in the engine. If this happens, reduce the
vehicle speed and drive to the next service cen‐
ter promptly. Serious engine misfiring within a
brief period can seriously damage emission
control components, in particular the catalytic
converter. In addition, the mechanical engine
components may become damaged.
If the fuel filler cap is not properly tight‐
ened, the OBD system may conclude
that fuel vapor is escaping; this will
cause a display to light up. If the filler cap is
then tightened, the display should go out in a
few days.
Seite 242
Mobility
Maintenance
242
Online Edition for Part no. 01 40 2 919 017 - II/13
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