Beetle L4-1781cc 1.8L Turbo (APH) (1999)
/Page-856005.png)
Possible causes of malfunction if probe control frequency is too slow:
-
The slots or holes in probe body are blocked
-
The probe vent hole in area of connecting wire is blocked
-
The probe has been overheated (glazed)
-
The probe has been damaged by leaded fuel
Checking basic voltage for O2S Behind TWC -G130-
-
Remove protective cover -arrows- and separate 4-pin connector (brown) -1- to O2S Behind TWC -G130-.
-
Connect multimeter with aux. cables from V.A.G 1594 to measure voltage at contacts 3 + 4 (connector to Motronic control module).
-
Start engine and measure the basic voltage.
Specification: 0.400 - 0.500 V
