Technician A says that an oxygen sensor can have one, two, three, ...

[imanialler]

Technician A says that an oxygen sensor can have one, two, three, four, or more wires, depending on the style and design. Technician B says that if the exhaust has little oxygen, the voltage of the oxygen sensor will be close to 1 volt (1000 mV) and close to zero if there is high oxygen content in the exhaust. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Question 2

The barometric pressure sensor signal is used by the PCM to ________.
 
  A) Respond to changes in altitude B) Measure barometric temperature
  C) Predict rain D) None of these

[stano32]

Answer to Question 1

C

Answer to Question 2

A

[imanialler]

Thanks for the timely response, appreciate it

[mcabuhat]

Gracias!