Technician A says that a vacuum leak can cause a rough idle or stalling. Technician B says that spark knock (ping or detonation) is often caused by a too rich air-fuel mixture or an excessively low engine operating temperature. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Question 2
The chemical abbreviation CO stands for ________ and is formed during the combustion process inside the engine.
A) Carbon origin B) Carbon dioxide C) Carbon oxygen D) Carbon monoxide
A technician-made adapter used to test exhaust system back pressure.
To help locate how far the engine is being rotated, the technician is removing the distributor cap ...
A secondary waveform of a Ford 4.6 liter V-8, showing three sparks occurring at idle speed.
To measure fuel-injector resistance, a technician constructed a short wiring harness with a double ...
Air flows through the PCV valve during idle, cruising, and light-load conditions.
Transfer from the rough endoplasmic reticulum (RER) to the Golgi complex