Exhaust-Emission Analysis On Models With Diesel Engines - Skoda Octavia II 2004 Maintenance Manual

Note
All tubes and plug connections, which had been removed or dis‐
connected for the test and adjustment, must be correctly re-
inserted or connected.
Technical data of spark plugs
⇒ "3.13 Replace spark plugs", page 71
8.3 Exhaust-Emission Analysis on Models
with Diesel Engines
Note
The exhaust-emission analysis must be carried out according
♦
to the valid national legislation of the particular country.
The work station for the exhaust emission analysis must sat‐
♦
isfy the applicable national and regulations in the country
concerned.
When possible the exhaust emission analysis should be car‐
♦
ried out immediately after the road test.
To reduce noise, the front flap must be closed during the
♦
measurement up to the first latching.
Perform the following visual inspections as well as comply with
♦
the test conditions below before performing the exhaust-emis‐
sion analysis:
Visual inspection
♦ Fully-functional crankcase ventilation
♦ Fuel system and injectors must be leak-sealed
♦ The exhaust system must be undamaged, leak-tight and com‐
plete
♦ All vacuum hoses are connected
Vehicles with catalytic converter
♦ Catalytic converter is fitted, leak-tight and undamaged
Vehicles with diesel particle filter
♦ Diesel particulate filter is fitted, leak-tight and undamaged
♦ Sensors for diesel particle filter and their lines are firmly at‐
tached and are connected to the diesel particle filter
Test conditions for vehicles with EOBD
• Faultless function of the engine without extraordinary inequal‐
ities in the engine running behaviour.
• Oil temperature at least 80 °C
• Air conditioning switched off
• The readiness code is generated for all exhaust gas systems
and components according to homologation. The exhaust
emissions warning lamp in the dashpanel insert does not dis‐
play an error.
• If the readiness code was not generated, it will need to be
generated. The best way to do this is via a test drive or using
the vehicle diagnosis tester. If necessary, check why the sys‐
.
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Octavia II 2004 ➤ , Octavia II 2010 ➤
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