Heated oxygen sensor 1, before catalytic converter (592Fa)

Fig 1: Identifying Heated Oxygen Sensor

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Fig 2: Heated Oxygen Sensor - Performance Graph

Courtesy of SAAB-SCANIA OF AMERICA, INC.

OXYGEN SENSOR DESCRIPTION

Location		Before catalytic converter
Type		Bosch LSF 4.7 With electric preheating
Rating, pre-heating	W	approx. 7
Control range	V	0-1
Preheating element resistance at 20°C (68°F) pins 1-2	Ohm	approx. 9 (PTC)

Pins 3 and 4 are gold-plated.

NOTE: The connector must not be treated with any form of contact cleaner, e.g. Kontakt 61.