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Diesels benefiting from a long run - fact or myth?

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  • 27-05-2018 2:49pm
    #1
    Discodog
    Registered Users Posts: 15,849 ✭✭✭✭


    I just bought a turbo diesel. A couple of people have said that I should give a good blast down the motorway to "clear the pipes". Fact or myth ?


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    #2
    tossy
    Registered Users Posts: 9,590 ✭✭✭tossy


    What year/make/model? If it's a modern diesel with a DPF and the majority of it's journeys are short,urban based drives then a frequent run on a motorway wouldn't be a bad idea.


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    #3
    BrianBoru00
    Registered Users Posts: 1,035 ✭✭✭BrianBoru00


    Its so that the DPF reaches a high enough temperature to burn off the soot otherwise it will get clogged up. So every couple of weeks you'd want to be running it for long enough to reach that temperature;. Doesn't have to be a motorway 80mph but like a 20 minute journey on main roads or something similar


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    #4
    bazz26
    Registered Users Posts: 51,157 ✭✭✭✭bazz26


    Discodog wrote: »
    I just bought a turbo diesel. A couple of people have said that I should give a good blast down the motorway to "clear the pipes". Fact or myth ?

    If you have to go out of your way to use a diesel car as it was originally intended to be used then you have bought the wrong type of car to suit your usage.


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    #5
    mullingar
    Registered Users Posts: 5,341 ✭✭✭mullingar


    95%+ of diesel made since 08 have dpf filters. These need to be frequently driven on motorways to keep the dpf filter clear


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    #6
    Toyotafanboi
    Registered Users Posts: 12,917 ✭✭✭✭Toyotafanboi


    bazz26 wrote: »
    If you have to go out of your way to use a diesel car as it was originally intended to be used then you have bought the wrong type of car to suit your usage.

    It's like getting a puppy. Seems like a good idea at the time until you keep having to bring it for walks.


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    #7
    Discodog
    Registered Users Posts: 15,849 ✭✭✭✭Discodog


    Toyotafanboi wrote: »
    It's like getting a puppy. Seems like a good idea at the time until you keep having to bring it for walks.

    I love waking my dogs twice a day & I have bought the perfect car for my usage. It's an X Trail & fortunately doesn't have a DPF 2007.


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    #8
    eeguy
    Closed Accounts Posts: 3,478 ✭✭✭eeguy


    Discodog wrote: »
    I love waking my dogs twice a day & I have bought the perfect car for my usage. It's an X Trail & fortunately doesn't have a DPF 2007.

    Sleepy dogs?


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    #9
    Discodog
    Registered Users Posts: 15,849 ✭✭✭✭Discodog


    eeguy wrote: »
    Sleepy dogs?

    Yes I just believe in caring for them properly. A good walk before I go to work leaves them happy to snooze.


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    #10
    Toyotafanboi
    Registered Users Posts: 12,917 ✭✭✭✭Toyotafanboi


    Discodog wrote: »
    I love waking my dogs twice a day & I have bought the perfect car for my usage. It's an X Trail & fortunately doesn't have a DPF 2007.

    The DPF really isn't the only issue but it does depend on the driving you do, if it's mainly town driving or short trips the engine will suffer regardless of not having a DPF, if you are even doing 20-30 minutes on secondary roads a day it could be fine.

    IMO, and I'm not saying you are one of those people but people who rely on "taking their diesel for a good spin" once a week/ month are at nothing doing so. I'd also hate to have to keep setting a date in my diary to have to waste time driving my car somewhere in my free time in the vain hope it will stop it from breaking down.


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    #11
    Discodog
    Registered Users Posts: 15,849 ✭✭✭✭Discodog


    Toyotafanboi wrote: »
    The DPF really isn't the only issue but it does depend on the driving you do, if it's mainly town driving or short trips the engine will suffer regardless of not having a DPF, if you are even doing 20-30 minutes on secondary roads a day it could be fine.

    IMO, and I'm not saying you are one of those people but people who rely on "taking their diesel for a good spin" once a week/ month are at nothing doing so. I'd also hate to have to keep setting a date in my diary to have to waste time driving my car somewhere in my free time in the vain hope it will stop it from breaking down.

    I have a 40 min drive most days .


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    #12
    Del2005
    Registered Users Posts: 18,919 ✭✭✭✭Del2005


    Discodog wrote: »
    I have a 40 min drive most days .

    Is that in traffic or moving? A diesel needs to be driving not sitting in traffic ie a 2 hour drive to complete 5km is no use to a diesel.


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    #13
    Discodog
    Registered Users Posts: 15,849 ✭✭✭✭Discodog


    Del2005 wrote: »
    Is that in traffic or moving? A diesel needs to be driving not sitting in traffic ie a 2 hour drive to complete 5km is no use to a diesel.

    Some traffic but lot of open road too


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    #14
    Del2005
    Registered Users Posts: 18,919 ✭✭✭✭Del2005


    Discodog wrote: »
    Some traffic but lot of open road too

    Then you've no issues with the diesel.

    But the fact that you started the thread means it's by luck not research.


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    #15
    Discodog
    Registered Users Posts: 15,849 ✭✭✭✭Discodog


    Del2005 wrote: »
    Then you've no issues with the diesel.

    But the fact that you started the thread means it's by luck not research.

    When did Motors become the smart arse forum ? I asked because it's a common belief. I mentioned that people had mentioned it to me.


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    #16
    Pugzilla
    Site Banned Posts: 1,765 ✭✭✭Pugzilla


    OP answered his own question.


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    #17
    Agricola
    Registered Users Posts: 6,547 ✭✭✭Agricola


    Have a related problem. Bought an e90 320d recently, no dpf. Slight lumpiness on cold start, puff of smoke etc. Very low miler for the age and mostly a city car. Would it be worth giving it a dose of injector cleaner and an "italian tuneup"?

    I'm abit dubious because I did it once with a diesel jeep and made a similar small problem into a big one.


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    #18
    pa990
    Registered Users Posts: 3,884 ✭✭✭pa990


    Agricola wrote: »
    Have a related problem. Bought an e90 320d recently, no dpf. Slight lumpiness on cold start, puff of smoke etc. Very low miler for the age and mostly a city car. Would it be worth giving it a dose of injector cleaner and an "italian tuneup"?

    I'm abit dubious because I did it once with a diesel jeep and made a similar small problem into a big one.

    An italian tune up followed by some bg44k, (it needs time to soak ) and run a few tanks of topaz milesplus if it's available in your area, while doing some more Italian.

    All that and regular oil changes.


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    #19
    wally79
    Registered Users Posts: 2,933 ✭✭✭wally79


    pa990 wrote: »
    An italian tune up followed by some bg44k, (it needs time to soak ) and run a few tanks of topaz milesplus if it's available in your area, while doing some more Italian.

    All that and regular oil changes.

    Another related question.

    Anyone know which if any of the topaz in south dublin have miles plus pumps?


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    #20
    Leonard Hofstadter
    Registered Users Posts: 5,540 ✭✭✭Leonard Hofstadter


    wally79 wrote: »
    Another related question.

    Anyone know which if any of the topaz in south dublin have miles plus pumps?

    There's some in Dalkey, Ballyboden and the Westway station just off the Naas Road. Westway is by far the cheapest - in fact their miles plus is the same price as the regular 'miles' in some of the other South Dublin stations (the one in Dundrum being the prime example).


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    #21
    pa990
    Registered Users Posts: 3,884 ✭✭✭pa990


    wally79 wrote: »
    Another related question.

    Anyone know which if any of the topaz in south dublin have miles plus pumps?

    These are the only stations that have it


    Topaz Brennanstown
    Topaz Ballyboden
    Topaz Mulhuddart
    Topaz Dalkey
    Topaz Westview
    Topaz Junction 5 M9
    Topaz Castlecomer Road
    Topaz Waterford Rd
    Topaz Tivoli
    Topaz Eastgate
    Topaz Macroom
    Topaz Westway
    Topaz The Square
    Topaz Bohermore
    Topaz Clonshaugh
    Topaz Kill
    Topaz Ballacolla
    Topaz Cashel
    Circle K Fermoy J14 M8
    Circle K City North


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