Question

How many numbers of a circuit are required in the computer to control injection in a Throttle body injection?

(a) 5

(b) 1

(c) 2

(d) 3

The question was asked in class test.

The question is from Petrol Injection in chapter Petrol Engine Fuel Supply System of Automotive Engine Design

Answer 1

Correct option is (b) 1

The explanation is: The computer requires just one circuit to control the process of injection in a vehicle. Thus this is a less costly but less precise system. Never the less the throttle body injection controls the fuel better than the carburetor.