Author Question: Technician A says that air-fuel ratio lambda numbers lower than 1.0 indicate a lean mixture. ... (Read 51 times)

ENagel · **on:** Jun 23, 2018

Technician A says that air-fuel ratio lambda numbers lower than 1.0 indicate a lean mixture. Technician B says that air-fuel ratio lambda numbers higher than 1.0 indicate a rich mixture. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Question 2

Older fuel injection systems (multiport or gang-fired systems) were capable of providing an air-fuel mixture within an accuracy of about ________ of stoichiometric.

A) 6 B) 8 C) 2 D) 4