Practice question

An oxygen (O2 / lambda) sensor provides the ECU feedback that allows it to:

  1. Measure oil pressure
  2. Adjust the air/fuel mixture toward stoichiometric for emissions control (closed-loop)
  3. Control the suspension
  4. Set chain tension

Answer: B — Adjust the air/fuel mixture toward stoichiometric for emissions control (closed-loop)

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: Red Seal Motorcycle Technician Practice Questions - Red Seal Motorcycle Technician (Interprovincial Red Seal Exam) Exam →