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AP AMVI · ECU & Modern Electronics · Quiz

ECU & Modern Electronics — quick quiz

5 real AP AMVI questions on ECU & Modern Electronics. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 2

MEDIUM

In a modern vehicle's Engine Control Unit (ECU), the Oxygen sensor provides feedback to adjust the air-fuel ratio. If the sensor detects a lean mixture, what action does the ECU typically initiate?