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4

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. Supplies a large amount of fuel and thereby creates a choke effect

D. Pressurise the fuel system before the engine is started

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Correct Answer :

D. Pressurise the fuel system before the engine is started


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