The heater circuit in a wide band oxygen sensor heats the sensor ...

[lilldybug07]

The heater circuit in a wide band oxygen sensor heats the sensor to about ________.
 
  A) 500 deg F B) 315 deg C C) 1200 to 1400 deg F D) 500 to 600 deg F

Question 2

Technician A says that a wide-band oxygen sensor, also called a lean air-fuel (LAF) sensor, can detect air-fuel ratios from as rich as 10:1 to as lean as 23:1. Technician B says that a conventional oxygen sensor cannot detect the exact air-fuel mixture. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

[jsm54321]

Answer to Question 1

C

Answer to Question 2

C

[lilldybug07]

Thanks for the timely response, appreciate it

[bbburns21]

Excellent