What do most PFI systems use to prevent throttle blade icing? A. Heated intake air (Thermac) system B. Early fuel evaporation (EFE) system C. Canister purge system D. Coolant passage in the throttle...

What do most PFI systems use to prevent throttle blade icing?

A. Heated intake air (Thermac) system

B. Early fuel evaporation (EFE) system

C. Canister purge system

D. Coolant passage in the throttle body

To properly control the air/fuel ratio during cranking mode, the PCM relies primarily on input information relating to throttle position and which of the following?

A. Engine coolant temperature

B. Intake air temperature

C. Engine load

D. Exhaust oxygen content