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Do car engineers deliberately make things difficult ?

Discussion in 'Car Repairs / Maintenance' started by mointainwalker, 20 Oct 2020.

  1. Burnerman

    Burnerman

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    All I can say is that my local Kwik Fit have all the tracking gear that could be ever needed - of course that doesn't guarantee there's anyone around that can use it :(
    On the occasion when I have mine done, I'm up close to the vehicle seeing what's what like a hawk and they are happy to let me play around with it.
    I get all of my MOT's done there - maybe only 8 per year these days, that's all - and again, I'm under the car when it's on the ramp.
    I'm sure the tyre prices are top whack but I've never had an alloy wheel damaged and often they will sort punctures out for a beer. Very helpful blokes, and not just because they get a Christmas drink!
    John :)
     
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  3. mointainwalker

    mointainwalker

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    This particular point does , in fact, refer back to the earlier posts. I have just read in focus.de that VW are going to be withdrawing from all LPG-engines. That makes sense as far as their group policy on electrics goes.
     
  4. Avocet

    Avocet

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    The EU Commission is working on legislation to prevent that. It tends to take the consumer's side in such situations.
     
  5. Avocet

    Avocet

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    I'm not aware of that one, have you got a reference?

    It is extending that principle further. There's a fine line of course, between giving nefarious and incompetent people access to critical safety and environmental systems on your car, whilst at the same time, encouraging competition.

    FIGIEFA https://www.figiefa.eu/

    and

    EGEA https://www.egea-association.eu/

    are putting up a pretty good fight in Brussels right now, and I think the Commission is largely on their side.

    However, modern cars ARE highly complex. There's no getting round that. Similarly, we all know horror stories of incompetence when it comes to back street garages. Some of the motor trade is its own worst enemy.
     
  6. Bodgedbuild

    Bodgedbuild

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    I have run some vehicles to extreme mileage in the past (one Iveco Daily van to 600,000 miles) and I only ever stick to basic oil requirements. By that I use a full synthetic if specified, low saps if specified but I never get it certified to VW/BMW/Mercedes spec. I only have my own family Bodged personal cars to worry about these days but most cars I have had, I have run to over 200,000 miles an that is just using Tesco/Wilco/Asda, full synthetic oils. I do 6,000 mile changes, never work engines hard until fully warmed and never switch off immediately if stopping at a Motorway Service Area. I'm not sure it is quite as critical as manufacturers make out, with the possible exception of the VW PD engine, maybe......
     
  7. Avocet

    Avocet

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    That last bit is interesting. Like you, I tended to let engines idle for a bit after a hard thrashing, rather than just switch off - particularly turbo engines. However, on my more recent company cars with stop-start, I've noticed that even if you've been pasting it down the motorway and you suddenly come to a stop at the end of a slip road, the stop-start will kick in. So clearly, the manufacturer isn't othered about sudden shut-downs when hot!
     
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  8. Bodgedbuild

    Bodgedbuild

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    I'm yet to own a car with stop-start but when I do, I will disable it. Many believe the BMW N57 engine timing chain failures are because of stop-start and the violent nature with which a diesel engine does this. As far as being difficult to fix, the chain is at the rear of the engine, by the bulkhead, so it is an engine out job if the chain starts to rattle...
     
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  9. Burnerman

    Burnerman

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    It's the first thing I do too, and will continue to do so as long as possible.
    Listen to GPO vans after a year or so...the starters and ring gears are obviously knackered.
    John :)
     
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  11. EddieM

    EddieM

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    My 1981 Ford Escort had a start/stop engine but not by design.
     
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  12. Munroist

    Munroist

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    with ours you have to disable it every time you start it, there is no setting to permanently disable it as there is in my mothers car.

    I have found though, it only stops the engine at a certain brake peddle pressure, so if I am very gentle with the brake pddle at junctions it won't stop the engine. It really is a pain in the arse feature of the car (along with keyless ignition)
     
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  13. Bodgedbuild

    Bodgedbuild

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    If it's a VW group car it can be disabled, quite simply, by using the "long coding helper" in VCDS (formerly Vagcom), not sure but the same might be achievable with BMW using "Carly" and it's coding feature. I think for most cars, there are ECU experts that can remove this "feature".
     
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  14. Burnerman

    Burnerman

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    True, you have to obey certain criteria before the stop/start cuts in....including being in neutral with the handbrake on and not touching the accelerator.
    'Er indoors Honda HRV is keyless and once it locks itself, it unlocks again as soon as you approach - so you can't walk back to it to check if it is actually locked!
    A mighty pain in the ass if ever there was one :eek:
    John :)
     
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  15. Bodgedbuild

    Bodgedbuild

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    I saw a friend of mine arguing in the street last week and he was shouting at his wife for not locking their new car again. He had to eat humble pie when I pointed out he was unlocking it by just going near it with the key in his pocket! ;)
     
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  16. Munroist

    Munroist

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    I would worry they would use this as an excuse to cancel the warranty. You have been interfering with the ECU sir? I'm afraid your tinkering has caused the wheel bearing to fail and we will teach you a lesson by raising a 5k repair bill.
     
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  17. Bodgedbuild

    Bodgedbuild

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    Technically it should not invalidate anything. Long coding is just operating electronic "switches" within the vehicles computer systems. It is used to determine which functions a car has according to either regional variations or customer specifications. It is not the same as re-mapping that alters turbo boost/fuel parameters or speed limiters. It is also a feature that is free to be switched off by the end user, albeit on a "session by session" basis. Having said that, I agree, some dealers will always look for a reason to get out of honoring a warranty!
     
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