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fuel pump

406 views 5 replies 2 participants last post by  garethbowers 
#1 ·
whats the normal behaviour of the fuel pump?

is it supposed to buzz (this is it pressurising ?)for a few seconds when you first click on to the ignition (all lights on dash) then stop and then continually buzz when the car is going ?

as mine doesn't buzz when the ignition is on with all lights but only buzzes all the time when the car is going?

i thought it was supposed to buzz for a few seconds and pressurise the system before the car is started

if this is right does this mean i possibly have a faulty relay and this could be the cause of the engine taken it's time to start?
 
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