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Which among the following tunes the fuel delivery to achieve the correct fuel ratio?

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in Automotive Engine Design by (137k points)
Which among the following tunes the fuel delivery to achieve the correct fuel ratio?

(a) Float valve

(b) Ecu

(c) Oxygen sensor

(d) Temperature sensor

This question was posed to me during an interview for a job.

The query is from Petrol Injection in division Petrol Engine Fuel Supply System of Automotive Engine Design

1 Answer

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Best answer
Right answer is (b) Ecu

Best explanation: The ECU uses the information from the sensors to fine-tune the fuel delivery to achieve the just correct fuel ratio. The sensors monitor the mass of air entering the engine and also the amount of oxygen in the exhaust.

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