Technician A says that a cracked exhaust manifold can affect oxygen sensor operation. Technician B says that a clogged air filte

Question

2 years ago

7

Technician A says that a cracked exhaust manifold can affect oxygen sensor operation. Technician B says that a clogged air filte

r element won't affect emissions. Who is correct?
A. Both Technicians A and B
B. Technician B
C. Neither Technician A nor B
D. Technician A

Computers and Technology

1 answer:

liraira [26] · Answer 1 · 2022-07-31T08:29:08+03:00

Answer:

tech A only

Explanation:

Technician A is right because a cracked exhaust manifold allows more oxygen into the exhaust stream, which affects oxygen sensor voltage. Technician B is wrong because a clogged air filter raises Hydrocarbons (HC) and also affects O2 (Oxygen) and CO (Carbon Monoxide) levels.