Golf L4-1.8L Turbo (AWD) (2000)
If the display in display zone 2 remains constantly at a value:
-
Continue check according to following table.
If the Oxygen sensor control in display zone 1 does not fluctuate as stated:
-
Press -> key.
-
Press keys 0 and 6 for "End data transfer" function and confirm input with Q key.
-
Carry out road test and bum Oxygen sensors clean and repeat check.
Observe the valid safety precautions when carrying out a road test. See: Fuel Delivery and Air Induction/Fuel Injector/Service Precautions/Technician
Safety Information
If the the specifications in display zone 1 are not obtained even after a test drive, or the value does not fluctuate by at least 2%:
-
Replace Oxygen sensor before catalyst (G39).
Checking basic voltage
-
Remove protective cover -arrows- and separate 4 pin connector (black) to Oxygen sensor before catalyst (G39).