Heated oxygen-sensor, rear (593)

Type		NTK With electrical preheating
Power, preheating	W	approx. 7
Control range	V	0-1
Resistance at 20°C (68°F) pins 1- 2	Ohm	approx. 13

Pins 3 and 4 are gold plated.

Note
The connector must not be treated with any sort of contact cleaner.