Mechanical Engineering - Automobile Engineering - Discussion

Discussion Forum : Automobile Engineering - Section 4 (Q.No. 22)

Automobile Engineering

22.

The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to

enable the pump's fault-diagnosis function to operate

warm up and lubricate the pump

supply a large amount of fuel and thereby create a choke effect

pressurise the fuel system before the engine is started

Answer: Option

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