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Thread: 1.9 cdti Tech3 update ?

  1. #1
    Regular Member Vectra-c-SRI's Avatar
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    Vehicle : Vectra C

    Trim : SRi

    Engine : 1.9cdti 8v (120bhp)

    Year : 2005

    Mileage : 98000

    Default 1.9 cdti Tech3 update ?

    Hi all can anyone tell me i have a 2005plate(120bhp), i know someone that said he can update the software so it gets better mpg... its not a tweek its more of a software update he says Vx do it for 95quid but he does it for 40quid on a vx tech3 machine

    anyone heard of this updating software?

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    Regular Member john norris's Avatar
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    Regular Member Ben50n's Avatar
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    It may be a software update that would give a marginal improvement, but to really get better mpg and power you will actually need a remap.

  4. #4
    Regular Member Vectra-c-SRI's Avatar
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    Vehicle : Vectra C

    Trim : SRi

    Engine : 1.9cdti 8v (120bhp)

    Year : 2005

    Mileage : 98000

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    ok i see but would i notice driving the car when the software updated ? dont want to waste money if it dont do anything

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    Regular Member DAVIDD88's Avatar
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    is it no the egr software update hes on about thats for the 120 bhp
    Last edited by DAVIDD88; 19th December 2012 at 13:38.

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    Regular Member john norris's Avatar
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    Regular Member Ben50n's Avatar
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    I would very much doubt it, sounds like a very minor tweak, especially if it is an official update. If it isnt broke, do not try to fix it!

  8. #8
    Regular Member C-Owner's Avatar
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    Quote Originally Posted by Vectra-c-SRI View Post
    Hi all can anyone tell me i have a 2005plate(120bhp), i know someone that said he can update the software so it gets better mpg... its not a tweek its more of a software update he says Vx do it for 95quid but he does it for 40quid on a vx tech3 machine

    anyone heard of this updating software?
    Bite his hand off

    That's cheap.

  9. #9
    Regular Member Teapot's Avatar
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    Vehicle : Signum

    Trim : Design+

    Engine : 1.9 CDTI 150

    Year : 2007

    Mileage : 101000

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    Quote Originally Posted by C-Owner View Post
    Bite his hand off

    That's cheap.
    Haha I was thinking along those lines too!

    I've seen a few different GM software versions (and tried a couple on my own cars) an there was no measurable difference in fuel economy. They usually seem to change things such as EGR, maybe a correction table or two - nothing drastic.

    Many years ago I had a 2001 petrol Astra which generally was very nice (for a petrol engined car!). Unfortunately I allowed the vauxhall stealer to 'upgrade' the software when it was serviced. It was terrible - there was less power at low revs, the revs would hang for a couple of seconds making smooth gearchanges almost impossible, and average fuel economy reduced from 41mpg to 37mpg.

    I took this up with the stealer, and also with vauxhall's technical department. They told me that they have no record of what software version was originally on it, and that the stealers equipment doesn't store any old software versions. So basically I was screwed. I promptly sold the car and bought a 2.0DTI instead (which was already out of warranty) so I didn't need to ever take it to the stealers.

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