Engines / Petrol / 2.0/147/155/125/132 kW TFSI CCZA/CCZB/CCZC/CCZD/CGMA/ / Test - Lambda-sensor upstream of catalyst - status


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Diagnostic operation
Diagnostic procedure

This operation was considered useful 2x.

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Conditions:
- exhaust system - tightness of line - OK
- engine speed = idling
- engine temperature > XX °C

connect with the control unit
XX - engine

XX - Measured values
group XXX

required values
field X (Lambda-sensor upstream of catalyst):
xxxxX =
lambda control = active
xxxXx =
lambda control = readiness for operation
xx?xx = heating of lambda probe(s)

if values are not achieved increase rpm to XXXX rpm

wait
required values field X (Lambda-sensor upstream of catalyst):
xxxxX =
lambda control = active
xxxXx =
lambda control = readiness for operation
xx?xx = heating of lambda probe(s)

You are not logged! System works in DEMO mode only now where numbers are replaced with X characters. For 49 EUR only You will get access into full system. You can pay by credit card or bank transfer. Click BUY button for purchase and  You will get login to diagnostic procedures database imediatelly.

Volkswagen workshop manuals for diagnostics

Log-in Buy