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Serious problem

Discussion in 'VE Holden Commodore (2006 - 2013)' started by Shaun Brannelly, Mar 8, 2017.

  1. Shaun Brannelly

    Shaun Brannelly New Member

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    12 months ago my ve omega started to run rough then wouldn't start at all. It sat in the driveway ever since.. it only has 118k on the clock. Still turns over but no bang. Ive asked around and got no real help. Tried a diagnostic check,..nothing. Apparently they tell you bugger all. Any input would be greatly appreciated
     
  2. MYVESSV8

    MYVESSV8 Well-Known Member

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    who tells you bugger all?
    what did you get told
    could be a lot of things
    any more info
     
  3. Shaun Brannelly

    Shaun Brannelly New Member

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    Had a mobile mechanic put a diagnostic tool on it, reported no problems... He actually said they tell you nothing helpful. Have a lot of different opinions when I ask around. From crank angle sensor to mafs, fuel pump, spark plugs. Unfortunately even spark plugs seem out of my technical range now, (given that manifold removal is necessary) I'm not stupid but checking a lot of "possibilities" when I have no tools is very difficult.
    Situation is,..I've checked fuses.. Airflow seems clear, not sure about fuel pump but I hear the winds and clicks as it usually did(not sure that even is fuel pump?) Seems to wind over a little slow but doesn't fire, battery is full charge reading 12.3v.
     
  4. Chevone

    Chevone New Member

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    Could possibly be the fuel pump, had similar problem on my ve just cranking over and no start. They have an intank fuel pump and no filter to clean inline like older cars, so when you get the tank low they pickup crap and cant just be cleaned easy. Last one i got car started instantly and fixed problem
     
  5. Shaun Brannelly

    Shaun Brannelly New Member

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    Cool, thank you for your insight. It has done a few k's on dirt roads and was driven on empty quite a bit in it's last few years. Replacement is the only option for fuel pump as far as I've read ? Not that expensive and fairly basic? Will try that in the next week or so. Cheers again.
     
  6. MYVESSV8

    MYVESSV8 Well-Known Member

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    the fuel pump and sender are one unit with a strainer in the tank, now depending on the year and build date etc you could get at the access panel under the rear seat (06 to late 07) after that its tank out, not easy, need the right tools to disconnect fuel line at pump and tool to remove from tank, extremely hard to remove sender with the old screwdriver method, I'm sure there is a pressure valve on the fuel rail that you can check the fuel pressure, ignition on, wait for check to finish, then off then depress valve should be lots of fuel/pressure eliminates pump
     
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  7. Shaun Brannelly

    Shaun Brannelly New Member

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    Super helpful, will test fuel pressure before any major operations and report outcome.
     
  8. Sabbath'

    Sabbath' Road Boss

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    Timing chain is a real possibility. I'd be getting another mechanic who isnt of the opinion that a scan tool tells you nothing at all. The mechanic sounds like he was expecting the tool to tell him what to replace.
     
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  9. Shaun Brannelly

    Shaun Brannelly New Member

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    OK, cool. Is there a way to diagnose a timing issue without the car actually running? That sounds expensive. Would the diagnostic tool pick up such a problem? And what type of thing does the D.T. actually report? Holden want $130 to run their diagnostic tests and maybe $200 to tow car there, I wonder what they may or may not find for big $$$
     
  10. Sabbath'

    Sabbath' Road Boss

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    Scan tool could/should pick up the issue. What happens is the chains stretch, so your cam position sensors start giving incorrect signals.

    As for repair cost, timing chains arent all that expensive to fix. Probably around $1500-2000.

    But first step before jumping into anything is find a decent mechanic to look at it. A scantool, depending on the proprietry licenses it has, and in the correct hands can tell you more than you need.
     
  11. Shaun Brannelly

    Shaun Brannelly New Member

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    OK. If I can't solve the problem with simple methods, I may have to tow it to holden, get them to check it out. Am really hoping it is something simple, save myself $2000 + in repairs if possible. The car will only sell for around 6-8k. But,.. It is what it is. I've used under experienced mechanics on previous vehicles and paid dearly. Thank you heaps for your input on this situation.
     
  12. RiCeY

    RiCeY F O R U M W A R R I O R

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    If you do a lot of driving on unsealed roads then fuel pump failure is a possibility.

    If there are no codes then chains are unlikely, even with stretched chains the car should start and run.

    Sounds like a fuel pressure issue, as said give the valve on the fuel rail a poke and check for pressure.

    Fuel might be off after 12 months too so would be worth chucking a full tank of premium in after repairing the fault. If it's a pump get them to drain the tank while it's out.
     
  13. Shaun Brannelly

    Shaun Brannelly New Member

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    Couldn't find a fuel rail so I ripped out the back seat to have a listen for the fuel pump.. No noise? And the silastic seal had already been cracked? Top plate is covered in a thick layer of bulldust. Haven't ventured any further yet.
     
    Last edited: Mar 9, 2017
  14. Shaun Brannelly

    Shaun Brannelly New Member

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    Last edited: Mar 9, 2017
  15. Shaun Brannelly

    Shaun Brannelly New Member

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  16. RiCeY

    RiCeY F O R U M W A R R I O R

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    From memory the valve is rear of engine drivers side just under manifold.
     
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  17. RiCeY

    RiCeY F O R U M W A R R I O R

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  18. mr_s

    mr_s Member

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    $2000 is inexpensive for you? Jesus. So what do you consider expensive?

    OP, did you manage to find what the problem is?
     
  19. Shaun Brannelly

    Shaun Brannelly New Member

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    No, I've had a mate come look at it.. He's believes it is getting fuel to the engine. I never actually got around to checking the fuel flow at the engine end myself, which was also recommended. Given up for another week or so. Will look at again soon.
     

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