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Thread: DTI or CDTI

  1. #1
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    Default DTI or CDTI

    Hello,

    The web is full of the expensive problems of modern common rail diesels. Bearing this in mind, which of the above would be more likely to be reliable in the Vectra? I know it's all relative but the dti in my Astra has been fine.

    Best

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    Regular Member Gsi3.2's Avatar
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    I think you can sum it up as... if you get a good 1.9 CDTi then keep it, it'll be a corker.. if you get a bad one, be prepared to sell it no matter how attached you've got to it..The DTi's seem to fair better but they are a much less stressed engine and therefore produce less power.. each has their problems..CDTi's seem to be fuel injection related/turbos' DPF's/ Inlet manifolds wheras the DTI's are normally boost hoses/ injector leakback pipes/boost sensors..

  3. #3
    On a Sabbatical VauxVeteran's Avatar
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    If you decide to get a DTi again, do not test a CDTi, or you'll never want a DTi again.

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    Regular Member ion's Avatar
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    As Mark said, the cdti's seem to depend on your luck.

    I've had one & done nearly 40K miles with one warranty repair that was done without problem, otherwise it's been perfect, & I know others who've had no problems.

    Equally though if you click for a bad one it will be a nightmare.

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    My DTi never missed a beat

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    Regular Member nutron's Avatar
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    Vehicle : Vauxhall

    Trim : very

    Engine : Z19DTH

    Year : Nosey

    Default

    I had a DTI and the pump went, cost £2K to get it all sorted (including towing). So DTI problems are far from cheap to fix.

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    Regular Member neilshaw1980's Avatar
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    Done about 20k in my 2.2 dti, had it since about 50k. Only problems i've had with it are both boost hoses splitting within about a month of each other. No other problems and i'm lovin it. Certainly makes a change from my old peugeot 307's i've had, every one i've had has been back to the dealers for 1 problem or another. Most of them was before the car had even done a thousand miles

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    Default

    Hello All,

    Nice replies and good information. A forum worth belonging to!

    Modern cars are something of a worry, aren't they? I didn't realise that a DTI pump could be so much. I just thought it was the common rail thingies that were expensive....

    I'm starting to wonder if petrol engines are the way to go, despite the fuel cost, as I only do about 10,000 miles a year or less. This is assuming that problems on those wouldn't cost an arm and a leg as well.

    Thanks,

  9. #9
    Regular Member Gsi3.2's Avatar
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    on a low mileage like that then you'd not really save that much money..if you look in the troubleshooting section you'll see that petrols make up a small amount of queries compared to the diesels..As a rule petrols are cheaper to fix, but it's the economy that suffers..

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    Regular Member Ste's Avatar
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    Vehicle : Jaguar XF 3.0D V6

    Trim : Black

    Engine : 3.0D V6

    Year : 0000

    Default

    If you're looking for lowest cost, then you don't do anywhere near enough miles to warrant the extra cost of diesel. Unless the purchase price is less than the equivalent petrol, then forget it financially.

    My old DTi (Vec B) did 85,000 almost trouble free miles for me. Only thing engine related that happened was the injector return lines perished a little bit. I never did replace them though, as it was never a real problem for me, and then I sold the car and bought my current chariot.

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