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

Pressurise the fuel system before the engine is started
Supplies a large amount of fuel and thereby creates a choke effect
Enable the pump's fault diagnosis function to operate
Warm up and lubricate the pump

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Automobile Engineering in ME
Incorrect steering axis inclination (S.A.I.) causes

Poor recovery of the steering wheel after making a turn
The vehicle to pull to the side of lesser inclination
Generation of a braking effect at tight corners
Tendency to assume toe-out orientation

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