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Thread: HELP! No start petrol V6

  1. #1
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    HELP! No start petrol V6

    Hi all. Went to move the car and all systems appear normal but when i try to start all i get is starter motor trying and trying but it wont even kick a little. There are no errors on the dash, and i don't have a diagnostic tool to check any codes.

    I've google searched on a couple of forums to no avail, and am hoping someone here might know what it is.

    My first thought was an immobiliser issue. Checked all related fuses and nothing is busted. Tried a hard reset to no avail.

    About to check spark and fuel. My gut feeling is a fuel pump - probably the in tank pump - but i have nothing to really back that up as yet.

    Just about to open the workshop manual and have a read. Any ideas will be greatly appreciated.

    Ps. We're planning to head to byron for the weekend for a wedding. It's gonna be squishy for 3 adults and 2 kids in a hyundai i30...
    FINN - '72 88" S3 - 2.286 petrol - yet to go on it's first adventure
    SOLD - '08 D3 4.0 V6 - 265/65/R17 on X5 rims
    GONE '96 D1 300Tdi - 2" lift, 32" tyres, HD rear axles, lockers :(

  2. #2
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    You really need to check the fuel pressure first. Fuel pump issues aren't unusual for the 4.0

    Jc
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈

  3. #3
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    Quote Originally Posted by justinc View Post
    You really need to check the fuel pressure first. Fuel pump issues aren't unusual for the 4.0

    Jc
    What's the best way to do that jc? The little valve on the end of fuel rail with the blue cap?
    FINN - '72 88" S3 - 2.286 petrol - yet to go on it's first adventure
    SOLD - '08 D3 4.0 V6 - 265/65/R17 on X5 rims
    GONE '96 D1 300Tdi - 2" lift, 32" tyres, HD rear axles, lockers :(

  4. #4
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    Sounds like classic fuel pump mate. That'd be my first port of call.

  5. #5
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    Well it's not spark. Thats bright and healthy.

    While i could smell fuel with the plug out, the plug wasnt wet and there was nothing but air coming out the plug hole. So fuel it is. Gonna double check all the fuses

    Any advice on how to check the fuel pumps is appreciated!

    Thanks

    Dan
    FINN - '72 88" S3 - 2.286 petrol - yet to go on it's first adventure
    SOLD - '08 D3 4.0 V6 - 265/65/R17 on X5 rims
    GONE '96 D1 300Tdi - 2" lift, 32" tyres, HD rear axles, lockers :(

  6. #6
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    Got a fuel pressure test gauge? only way to know for sure.

    You can pick them up pretty cheap on ebay or supercheap auto...

  7. #7
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    Well, new fuel pump ordered. Gonna try fit it in the driveway tonight. Back up plan is tow it to the mechanics on tuesday as its booked in for a wheel bearing anyway.

    Wish me luck!

    Dan
    FINN - '72 88" S3 - 2.286 petrol - yet to go on it's first adventure
    SOLD - '08 D3 4.0 V6 - 265/65/R17 on X5 rims
    GONE '96 D1 300Tdi - 2" lift, 32" tyres, HD rear axles, lockers :(

  8. #8
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    I guess you will know how easy (or not) it is to do the fuel pump.
    On my old Disco 1 V8, you removed a plate in the reaf floor, cleaned all the mud out, then lifted the pump out - it was a breeze.
    Would love to know how it is with the V6 - same as I have now.
    Alan
    2012 L320 Range Rover Sport Fuji White
    REMLR 012
    No 5 Trailer ARN 177-295
    2006 Disco 3, 4L V6 Petrol SE Deceased Feb 26 2023
    SOLD Engineers Trailer - no id
    SOLD RAAF 231194 Perentie 110 GS - SIR ANGUS
    SOLD 4MP COY Series 3 FFR 30-209

  9. #9
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    Quote Originally Posted by Aussie Jeepster View Post
    I guess you will know how easy (or not) it is to do the fuel pump.
    On my old Disco 1 V8, you removed a plate in the reaf floor, cleaned all the mud out, then lifted the pump out - it was a breeze.
    Would love to know how it is with the V6 - same as I have now.
    Alan
    No longer! You have to drop the tank, but apparently you can't drain the tank first. Thankfully i have less than 20L in there.

    I have a mate coming to help. And beers. Beers will definitely help HELP! No start petrol V6
    FINN - '72 88" S3 - 2.286 petrol - yet to go on it's first adventure
    SOLD - '08 D3 4.0 V6 - 265/65/R17 on X5 rims
    GONE '96 D1 300Tdi - 2" lift, 32" tyres, HD rear axles, lockers :(

  10. #10
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    Well its all in and running again. Woohoo! Sad part is the pump was $850 for OEM (not genuine)! One quote i got was for $2000 just for the pump! HELP! No start petrol V6

    I won't say it was easy, but it wasnt the hardest thing. Took a mate and i 4 hours on the driveway from go to whoa though. We had a bottle and a trolley jack and an impact wrench which made life easier.

    Theres a few "quick release" connectors you have to release, though they're all different, with some less quick than others. Limited access doesn't help though it turns out you can drop the tank a fair way to aid fat fingers in reaching them.

    The pump is offset in the tank, and visibility is pretty average, though the opening in the tank was big enough for my arm to fit in (my arms are pretty skinny tho). The drawings in the workshop manual could be way better than they are. I didn't realise the sender was fixed to the far side of the pump. Thankfully it fell off the pump without damage. Id recommend that new players shove their hand in the tank and feel all around the pump before taking it out.

    Its really hard to keep everything clean. I have a few specks of dirt in the tank now, which i honestly don't know how you'd avoid it. Theres alot of stuffing about getting the pump in and out, with a bunch of connectors in the way.

    I also lost one of the o rings off the fuel line that connects to the pump. A bit of fishing round inside the tank (and a bit of freaking out too) and i managed to find it and all was well again.

    All good now tho and hopefully will stay good for another 150k km.

    A quick tip for anyone who has the same problem - i was told that sometimes the motors on the pump get stuck at a worn spot and wont spin without help. Help comes in the form of a few sharp taps with a hammer on the bottom of the tank guard. I tried this first and the old pump started working again, but as i had help nearby, and i wasnt sure how long til it got stuck again, we switched the pumps over anyway.

    Now off to byron tomorrow. Pray or wish or cross your fingers that nothing goes wrong!

    Cheers

    Dan
    FINN - '72 88" S3 - 2.286 petrol - yet to go on it's first adventure
    SOLD - '08 D3 4.0 V6 - 265/65/R17 on X5 rims
    GONE '96 D1 300Tdi - 2" lift, 32" tyres, HD rear axles, lockers :(

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