Author Question: Technician A says that high HC emission levels are often caused by a fault in the ignition system. ... (Read 116 times)

nmorano1 · **on:** Jun 22, 2018

Technician A says that high HC emission levels are often caused by a fault in the ignition system. Technician B says that high CO2 emissions are usually caused by a richer-than-normal air-fuel mixture. Which technician is correct?

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

Question 2

The sensor that most determines fuel delivery when a fuel injected engine is first started is the ________.

A) ECT sensor B) IAT sensor
C) Engine MAP sensor D) O2S