porsche Workshop Repair Guides

Porsche Workshop Service and Repair Manuals

Removing and Installing Lambda Sensors Upstream of Catalytic Converter|Page 475 > < Removing and Installing Lambda Sensors Upstream of Catalytic Converter|Page 473
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Oxygen Sensor: Service and Repair
Removing and Installing Lambda Sensors Downstream of Catalytic Converter

Removing And Installing Lambda Sensors Downstream Of Catalytic Converter

Tools

Technical values

Preliminary work

WARNING:
Objects or loads falling down
-

Risk of squashing or crushing
-

Secure components to prevent them from falling down.

1. Remove right or left rear wheel.
2. Remove rear wall cover.
3. Remove engine compartment lid.

Removing lambda sensor downstream of catalytic converter

CAUTION:
Hot components
-

Risk of burns
-

Let hot components cool down.

-

Wear personal protective gear.

NOTE:
Incorrect handling of oxygen sensors
-

Risk of damage to oxygen sensors

-

Different exhaust emission behavior
-

Do not remove the plastic cap on the thread until just prior to fitting.

-

Protect oxygen sensors from impact of any kind.

-

Do not kink or twist the cables when screwing in the sensors.

-

Do not re-use dirty or damaged components.

1. Open plug connection for lambda sensor (black cable).

Removing and Installing Lambda Sensors Upstream of Catalytic Converter|Page 475 > < Removing and Installing Lambda Sensors Upstream of Catalytic Converter|Page 473