During closed-loop operation of a fuel injection system, the PCM is programmed to perform all of the following functions EXCEPT:

A. ?controlling how much fuel is introduced into the intake manifold
B. fine-tuning the air-fuel ratio to minimize toxic emissions while maximizing fuel economy
C. retaining good driveability under cruise and light-to-moderate acceleration
D. maximizing driveability during cold starts and hard accelerations


Answer: D

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