Volkswagen Passat 1995 Official Factory Repair Manual page 1847

Multiport fuel injection and ignition system
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Page 8 of 126
6 - Heated Oxygen Sensor
(HO2S) -G39-*
50 Nm (37 ft lb)
Installation position:
before three way
catalytic converter
Only grease threads
with "G5"; "G5" must
not get into the slots
on the HO2S body
Checking HO2S and
O2S control (before
three way catalytic
converter) Page 24-
25
O2S heating voltage
supply via Fuel Pump
(FP) relay -J17-
Checking O2S heating
(before three way
catalytic converter)
Page 24-35
7 - Engine Coolant
Temperature (ECT)
sensor -G62-*
Blue, 2-pin
For ECM
Checking Page 24-
88
If necessary before
removing, release
pressure from cooling
system
8 - Retaining clip
Check seated securely
9 - O-ring
Replace if damaged
24-8
12/6/2004