Question

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

a.

enable the pump's fault-diagnosis function to operate

b.

warm up and lubricate the pump

c.

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

d.

pressurise the fuel system before the engine is started

Posted under Mechanical Engineering

Answer: (d).pressurise the fuel system before the engine is started

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

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