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Thread: How to prove a dealership my car has serious fueling problems? - V6CDTi

  1. #1
    Regular Member Celes's Avatar
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    Vehicle : Opel Signum

    Trim : Sport

    Engine : 3.0 CDTI

    Year : 12/03

    Default How to prove a dealership my car has serious fueling problems? - V6CDTi

    As above...
    How do I prove the dealership I bought the car from that my V6CDTi has fueling problems? I can hear the injectors knock, fuel pump starting to fail (probably, as I have the judder at 1500-1700rpm) and occasional diesely smell (suspected leak at the quick heater thing).
    Pointing out the problems probably won't help and they're just going to make up silly excuses how this and that is not covered by their warranty

    It has 2 months of warranty on engine and gearbox.

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    Regular Member Handyandy-UK's Avatar
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    Vehicle : BMW 525i

    Trim : SE Touring

    Engine : 3.0

    Year : 2007

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    Sadly I don't think too many of us here will be able to help as far as pointing out legal responsibilities of a dealer outside the UK. Hell even here in the UK Scottish law is different to English law!

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    Regular Member Super T's Avatar
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    Tech 2 will tell them on a run up the road.

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    Regular Member m8internet's Avatar
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    Quote Originally Posted by Super T View Post
    Tech 2 will tell them on a run up the road
    Sadly not on the Y30DT, until the component actually returns a fault code, which as we now know on the high pressure fuel pump it may not do at all!

    I suggest what you do is find a diesel mechanic with experience of the Y30DT engine
    Get them to compile a full report on the system
    Present a copy of this to the dealership, send a copy to Open Europe

    If the car is still under Opel Warranty, then present the car every day until the problem is solved
    Opels normal repsonse is to suggest you visit a different dealership, in some cases they even list those with experience of certain engines / model types

    You could also ask for the Opel Area Engineer to attend the vehicle and complete a diagnosis (for which there may be a charge if no fault is found)
    I have resorted to this a few times, each time he has found the cause from the symptoms (personally, down to a duff dealership with lack of experience of this engine)

  5. #5
    Regular Member Celes's Avatar
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    Vehicle : Opel Signum

    Trim : Sport

    Engine : 3.0 CDTI

    Year : 12/03

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    All you can check on Tech2 (fuel values) is rail pressure. And even that is hard to read as the values change so quick when you drive and accelerate. I will phone the dealership tomorrow morning to book the car in for a check up. If fo response I will get the typical "no fault was found, sir" I will seek help at another dealer for a complete printout of fuel pump data and/or test drive diagnosis.

    I wish there were people with experience of this engine...I think I'm the only one around here who know something about it lol

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    Regular Member m8internet's Avatar
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    Quote Originally Posted by Celes View Post
    I wish there were people with experience of this engine...I think I'm the only one around here who know something about it
    I run into the same problem...
    "Didn't realise VX made a 3 litre diesel" (well they don't, they plant someone elses engine in)
    "That engine doesn't appear on our database"
    "I've never seen one of these, could it be the MAF?"

    However, I hve now managed to find a local diesel mechanic, with experience of the Y30DT, and I quote, "What idiot at VX put this engine in here?"

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    Full Member Big Sig's Avatar
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    They should be able to tell the fuel requested by the engine and the fuel actually being delivered via tech2. A skilled operator should be able to do this. Thats one way to check the SCV's.

    You haven't bought another dog have you???
    Now I need a turbo to keep up!

  8. #8
    Regular Member Celes's Avatar
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    Vehicle : Opel Signum

    Trim : Sport

    Engine : 3.0 CDTI

    Year : 12/03

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    Quote Originally Posted by Big Sig View Post
    .

    You haven't bought another dog have you???

    As m8internet pointed out what the experienced diesel mechanic said...It's an appalling engine.


    m8internet: All they say for whatever fault I mention them, is: MAF sensor!

    Well anyways, I have to go now. Booked the car in for the alternator fix. Will try to reason with them about the fuel pump and injector failure. Oh the joys of V6 diesel motoring.

  9. #9
    Ex Vec-C Admin Deztroyer's Avatar
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    again - a decent mechainic would also hear the associated noises that your reporting and realise the complaints - i suggest you get the mechanic to come out into the car park with you to hear the associated noises as no doubt once in the workshop with the radio on full volume and a couple of air guns at full tilt trying to remove a sticking bolt - they wont hear a thing !!

    0-Large smile ......every time it's driven

  10. #10
    Regular Member Celes's Avatar
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    Vehicle : Opel Signum

    Trim : Sport

    Engine : 3.0 CDTI

    Year : 12/03

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    The car is now at the dealer waiting for the alternator to be changed. I mentioned the fuel pump and injectors and they said they will check!

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