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R32 Gtr Fuel Pump Issue

sav1

By sav1,
in Engines & Forced Induction

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sav1 Contributor

sav1

Posted
Posted

Ok, got a problem with my fuel pump, first a bit of background

was driving to work last week, low on gas, car suddenly died, after several attempts it restarted, thought is was cause gas was low, refilled at next servo, car fine for about a week. was coming home the other day, had over 1/2 a tank of gas and it dies on me again. it cranks over like it wants to start, after several attempts, about 5 mins it starts again, then drive another couple of k's and the same thing happens. once again after several attempts it restarts. i was so close to the mechanics so thought i would head straight there. but cuts out again a couple of mins later. this time wont restart at all, almost does a couple of times. so call a tilt tray, by the time they arrive mechanics is long closed so i have it towed to my house.

so i start checking it out, when ignition is swithed on no noise from pump. so put mutlimeter on terminals, positive is getting power and so is negative(i understand that restistance drops on negative to control speed of pump,btw its a stock setup)

Remove pump from tank hook up to battery pump runs fine.

now should i just do the direct power feed relay mod or is there a simpler solution to fix the prob, eg is there a faulty sensor on the engine caused by the fuel getting so low or something? or faulty fuel pump control module etc.

i dont think it would be a faulty sensor as i would think that the pump would at least prime when ignition is turned on.

anyway any help would be greatly apprecciated

cheers,

matt

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Sydneykid Grand Master

Sydneykid

Posted
Posted
Ok, got a problem with my fuel pump, first a bit of background

was driving to work last week, low on gas, car suddenly died, after several attempts it restarted, thought is was cause gas was low, refilled at next servo, car fine for about a week. was coming home the other day, had over 1/2 a tank of gas and it dies on me again. it cranks over like it wants to start, after several attempts, about 5 mins it starts again, then drive another couple of k's and the same thing happens. once again after several attempts it restarts. i was so close to the mechanics so thought i would head straight there. but cuts out again a couple of mins later. this time wont restart at all, almost does a couple of times. so call a tilt tray, by the time they arrive mechanics is long closed so i have it towed to my house.

so i start checking it out, when ignition is swithed on no noise from pump. so put mutlimeter on terminals, positive is getting power and so is negative(i understand that restistance drops on negative to control speed of pump,btw its a stock setup)

Remove pump from tank hook up to battery pump runs fine.

now should i just do the direct power feed relay mod or is there a simpler solution to fix the prob, eg is there a faulty sensor on the engine caused by the fuel getting so low or something? or faulty fuel pump control module etc.

i dont think it would be a faulty sensor as i would think that the pump would at least prime when ignition is turned on.

anyway any help would be greatly apprecciated

cheers,

matt

Try swapping out the fuel pump relay.

:w00t: Cheers :O

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