Oxygen Sensors: Removal - Refitting - Renault Duster 2007 Manual

Oxygen sensors: Removal - Refitting

K4M
Tightening torquesm
upstream oxygen sen-
sor
dow n s t r e a m oxygen
sensor
WARNING
Do not use any product designed to improve the
electrical contact in the injection computer and oxy-
gen sensor connectors or on the bodies of the oxy-
gen sensors.
Failure to respect this advice causes the oxygen
sensor to malfunction and results in failure to com-
ply with the emission control standard.
WARNING
If the connections are corroded, repair the wiring
(see Wiring: Precautions for repair) (Technical
Note 6015A, 88A, Wiring).
REMOVAL
I - REMOVAL PREPARATION OPERATION
1 - Upstream oxygen sensor
a Remove:
- the air resonator (see 12A, Fuel mixture, Air res-
onator: Removal - Refitting, page 12A-2) ,
- the air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-6) .
2 - Downstream oxygen sensor
a Position the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
PETROL INJECTION
45 N.m
45 N.m
17B-4
II - REMOVAL OPERATION
1 - Upstream oxygen sensor
a Disconnect the upstream oxygen sensor connector
(1) .
a Unclip the upstream oxygen sensor wiring.
a Remove the upstream oxygen sensor (2) using the.
17B
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