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

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.

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

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