AUDI A6 1996 C5 / 2.G ATQ Engine Oxygen Sensor Control Checking
Page 61 of 63
24-125
If no malfunctions are found in wires:
- Replace appropriate Oxygen Sensor (O2S).
- Read readiness code Page 01
-78
. If DTC
memory was erased, readiness code must be
re-generated Page 01
-82
.
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Page 62 of 63
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Oxygen sensor, removing and installing
Special tools and equipment
Removing
Component location of harness connectors Overview of component
locations, page Page 24
-5
3337 wrench, 7-piece set Locking compound G 052 112 A3
- Disconnect 4-pin harness connector leading to respective oxygen
sensor.
- Open cable ties.
- Unscrew oxygen sensor using special tool 3337.
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Page 63 of 63
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Installing
Note the following when installing:
Notes:
Oxygen sensor threads are coated with an
assembly paste. This paste must not contact
sensor openings.
Cable ties must always be installed again in
exactly the same place to prevent the sensor
wire from contacting the exhaust pipe.
Tightening torque: 55 Nm
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