FREE Exhaust System Question and Answers

Question 1

Although they are essential to the exhaust's operation, oxygen sensors are not indestructible. A damaged oxygen sensor could:

Accepted Answer

Affect gas mileage

Answer

Trigger a check engine light

Answer

All of the above

Answer

None of the above

Question 2

More than only combustion waste can be found in exhaust fumes. Exhaust gasses may be taken and used by some engines to enhance performance.

Accepted Answer

Turbocharger

Answer

MAF sensor

Answer

Exhaust idler valve

Answer

None of the above

Question 3

Between the ____ and the ____ is where the exhaust manifold is situated.

Accepted Answer

Engine block, exhaust pipe

Answer

Exhaust pipe, muffler

Answer

Catalytic converter, tailpipe

Question 4

Although the entire exhaust system serves many purposes, a muffler's main job is to minimize __________.

Accepted Answer

Noise

Answer

Backpressure

Answer

Harmful emissions

Answer

All of the above

Question 5

A "running rich" engine could result in:

Accepted Answer

Black smoke

Answer

White smoke

Answer

Blue smoke

Answer

None of the above

Question 6

Your tailpipe's smoke can be used as a diagnostic tool. The presence of blue smoke in the exhaust means the engine is burning:

Accepted Answer

Too much fuel

Answer

Oil

Answer

Coolant

Answer

None of the above

Question 7

Toxic gas emissions from the exhaust system are decreased by the catalytic converter using ___________.

Accepted Answer

Chemical reactions

Answer

Bicarbonate filters

Answer

Hydraulic pressure

Answer

All of the above