Author Question: The diesel exhaust fluid is injected ________. A) After the oxidation catalyst B) Just in front ... (Read 91 times)

Anajune7 · **on:** Jun 23, 2018

The diesel exhaust fluid is injected ________.

A) After the oxidation catalyst B) Just in front of the muffler
C) Into the exhaust manifold D) At the end of the tail pipe

Question 2

The most common diesel exhaust emission test used in local testing programs is ________.

A) The exhaust temperature test B) The opacity test
C) A Check Engine light test D) The paper test