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Thread: Insignia diesel/petrol engine and DPF question

  1. #1
    Regular Member monkeez's Avatar
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    Default Insignia diesel/petrol engine and DPF question

    Hi guys,
    At the moment i've got a Mazda 2.2D Sport 185bhp and i love it. But the DPF is starting to do my head in. I've just had the oil changed 400 mile ago and the level is starting to rise again due to diesel being injected into the oil to burn off the soot.

    So i'm considering selling it and getting an Insignia. I've been looking at the 1.8 petrol but it looks underpowered to me - anybody got any experience of this engine?
    Do the diesel Insignias suffer the same as my Mazda with the DPF?
    I dont do alot of miles but try to give it a blast down the motorway once a week

    cheers

  2. #2
    Regular Member hothatch's Avatar
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    Vehicle : Insignia

    Trim : SRI NAV

    Engine : 1.6T 180 ECOTEC

    Year : 2012

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    Experts say if you do less than 10,000 miles a year, you be better off buying a petrol. They have less things to worry about like EGR, DPF, Throttle body. Diesels clog up so easily, and when you take it in for a service they don't clean up the stuff thats clogged up. So eventually diesels performance is reduced. They are amazing cars if you maintain and clean them yourself.

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    The 1.8 Insignia is indeed underpowered - consider buying the 1.6 Turbo instead.

  4. #4
    Regular Member john_k_sri's Avatar
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    Vehicle : Vectra

    Trim : SRI NAV XP

    Engine : 1.9 CDTI 150

    Year : 2007

    Mileage : 72K

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    All new diesel cars now have DPF as standard to satisfy the politicians' obsession with lowering CO2 emissions.

    You will doubtless find the 1.8 Insignia a bit tame compared to your 2.2 Mazda oil-burner. Petrol-wise, as said , the 1.6 turbo would be a better option

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    Quote Originally Posted by john_k_sri View Post
    All new diesel cars now have DPF as standard to satisfy the politicians' obsession with lowering CO2 emissions.
    Strangely, less CO2 pollution benefits you, me and our families and friends just as much as it benefits politicians' and their families. That aside, DPF's aren't related to CO2 reduction; as the name suggests, it's to do with particulates - little bits of dirt from burning diesel that kill thousands of people each year.

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

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    Quote Originally Posted by Rebellion View Post
    Strangely, less CO2 pollution benefits you, me and our families and friends just as much as it benefits politicians' and their families. That aside, DPF's aren't related to CO2 reduction; as the name suggests, it's to do with particulates - little bits of dirt from burning diesel that kill thousands of people each year.


  7. #7
    Regular Member john_k_sri's Avatar
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    Vehicle : Vectra

    Trim : SRI NAV XP

    Engine : 1.9 CDTI 150

    Year : 2007

    Mileage : 72K

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    Quote Originally Posted by Rebellion View Post
    Strangely, less CO2 pollution benefits you, me and our families and friends just as much as it benefits politicians' and their families. That aside, DPF's aren't related to CO2 reduction; as the name suggests, it's to do with particulates - little bits of dirt from burning diesel that kill thousands of people each year.
    Fair do's. I stand corrected.

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    Regular Member Penfold101's Avatar
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    The 1.8 is horrendous to drive - don't be put off by the DPF's on the Insignia though. My old 3.0 Signum had one and I hated it - never any problem with it, just the amount of fuel it burnt when cleaning itself. I now have trouble actually telling when my Insignia is doing it, mainly due to it only having 4 cylinders instead of 6 so the consumption doesn't go up as much and it doesn't make the same deep rumbling noise the V6 did...

    Vauxhall have also put the DPF right after exhaust manifold, instead of halfway down the car, so it gets hotter more of the time and needs less cleaning. Obviously as mine's brand new it hasn't had time to fill up properly, but so far no issues to the best of my knowlege.

    If I was having the car remapped, which I'd love to if it wasn't for the lifetime warranty, I'd definitely have it taken out as it's something else to go wrong, just like the EGR valve...

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    Regular Member vxpenfold's Avatar
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    Vehicle : Vectra Hatchback

    Trim : Life(well it was)

    Engine : Z19DTH

    Year : 2005

    Mileage : 166000

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    Quote Originally Posted by Penfold101 View Post
    The 1.8 is horrendous to drive - don't be put off by the DPF's on the Insignia though. My old 3.0 Signum had one and I hated it - never any problem with it, just the amount of fuel it burnt when cleaning itself. I now have trouble actually telling when my Insignia is doing it, mainly due to it only having 4 cylinders instead of 6 so the consumption doesn't go up as much and it doesn't make the same deep rumbling noise the V6 did...

    Vauxhall have also put the DPF right after exhaust manifold, instead of halfway down the car, so it gets hotter more of the time and needs less cleaning. Obviously as mine's brand new it hasn't had time to fill up properly, but so far no issues to the best of my knowlege.

    If I was having the car remapped, which I'd love to if it wasn't for the lifetime warranty, I'd definitely have it taken out as it's something else to go wrong, just like the EGR valve...
    when it comes to mapping, eds is your friend or for that matter the bluefin, what vx dont find out dont hurt them

  10. #10
    Full Member neverlandandy's Avatar
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    Vehicle : Insignia Elite Nav

    Trim : Elite

    Engine : 2.0 cdti

    Year : 2012

    Mileage : 9k

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    Can vx now tell if your car has been mapped or had a tuning box on

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