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Thread: help asap

  1. #1
    silver88vl's Avatar
    silver88vl is offline No milk and juice here
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    Default help asap

    Hi guys & girls,

    Went to start my car the other night & wouldnt fire... got the nrma out & said the the fuel pump is gone. its a holden 5litre v8 & was wondering if any pumps off any of the commodores will fit it.

    cheers garth

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    do v8's have two fuel pumps. if so, it is a bit strange that both are buggered. could be something else. maybe there is no power getting to the pumps

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    immortality's Avatar
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    yeah, the V8 have the intank pump as well as an external booster pump. i'd go with defa, not likely both have failed. check fuses and relays etc
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    Quote Originally Posted by immortality View Post
    yeah, the V8 have the intank pump as well as an external booster pump. i'd go with defa, not likely both have failed. check fuses and relays etc
    It wont run on one pump, if the intank dies the lift pump cant pull fuel. If the lift dies it blocks the flow from the intank. They both go around the same time normally
    My intank went, they around 2 weeks later the lift one went. The intank is the same as the V6 ones and the lift one if the same as a VLT.
    Selling FG G6E Turbo and buying a N/A Supra

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    Quote Originally Posted by AirStrike View Post
    It wont run on one pump, if the intank dies the lift pump cant pull fuel. If the lift dies it blocks the flow from the intank. They both go around the same time normally
    My intank went, they around 2 weeks later the lift one went. The intank is the same as the V6 ones and the lift one if the same as a VLT.
    I second that i had to replace both of mine within a week of each other when my car stoped.
    I didn't do it

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    Quote Originally Posted by LindasBT1 View Post
    I second that i had to replace both of mine within a week of each other when my car stoped.
    To correct myself......it will run to some extent, but will have limited power and stall heaps annnnd burns the other pump out as its working twice as hard.
    Selling FG G6E Turbo and buying a N/A Supra

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    well that all makes sense.. i would be checking if either are working and going from there..

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    yeah he checked all the fuses & they were fine... it has 2 fuel pumps... but when the ignition is turn to the on position it doesnt pump fuel (no noise) is there a difference between the vl turbo & non turbo? & how hard are thery to change

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    What model Commodore is it? in a VP I'd also be suspicious of the immobilizer switch in the passenger door

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    Quote Originally Posted by silver88vl View Post
    yeah he checked all the fuses & they were fine... it has 2 fuel pumps... but when the ignition is turn to the on position it doesnt pump fuel (no noise) is there a difference between the vl turbo & non turbo? & how hard are thery to change
    Has to be the turbo pump, the N/A one wont flow enough.
    Selling FG G6E Turbo and buying a N/A Supra

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    silver88vl's Avatar
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    ok well its a 1991 vn executive. it has an immobilisor in the centre console but dunno if there are any others
    how easy are the pumps to fit & whats a rough price on each one

  12. #12
    silver88vl's Avatar
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    Hey guy & girls,

    just been round pricing fuel pumps & got told that i can replace both fuel pumps with a single vr fuel pump. would it be a v8 vr or would the v6 one fit?
    the new external pump wouldve cost me $165 the cheapest or i can get a second hand pump from the vr for 45. how easy are therse to fit??

    cheers garth

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    Good luck!! Would have to be a pretty decent pump for it to replace the two that are there now.
    Selling FG G6E Turbo and buying a N/A Supra

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