Heated oxygen sensors

The heated oxygen sensors monitor the oxygen content of the exhaust gases. Readings are fed into a control module that continuously monitors engine functions and controls fuel injection. The ratio of fuel to air into the engine is continuously adjusted for efficient combustion to help reduce harmful emissions.
See also:
Engine compartment
1 Brake fluid reservoir
2 Relay/fuse box
3 Air cleaner
4 Radiator
5 Dipstick-engine oil
6 Filler cap-engine oil
7 Washer fluid reservoir
8 Power steering fluid reservoir
9 Expansion tank-coo ...
Changing
WARNING
Connect and disconnect the positive and negative cables in the correct sequence.
Removal
Switch off the ignition, remove the remote key from the ignition slot and wait
at least 5 ...
Start
Ignition switch with remote key inserted ( see page 82 for more information
on ignition modes)
WARNING
Before starting the engine:
• Fasten the seat belt.
• Check that the seat, steering wheel ...
