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Thread: EGR and how you drive

  1. #1
    Regular Member gumanue's Avatar
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    Default EGR and how you drive

    I was told by a mechanic m8 that if I red line my 1.9 150 though the gears once a week it will prevent the EGR valve from building up carbon, I also noticed that "JON7278" mentioned the he found that regular motorway and hard drivers don't suffer with the EGR problem as much.
    Could I maintain a healthy EGR valve by filling my right boot with lead?
    Or may be by convincing the Mrs that a tuning box is a good investment!! lol
    One more thing, if cleaning the EGR valve is such a simple job, why don't vx include cleaning it in their servicing schedules, I would imaging it would save them money on warranty repairs.

    Any thoughts

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    Full Member Teamtom's Avatar
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    Vehicle : Vectra C Hatch

    Trim : SRI

    Engine : 1.8 VVT

    Year : 2006

    Mileage : 53000

    Default

    tricky one,

    it goes along the same sort of lines as cleaning the throttle body. This can clog up with gunk if driven lightly for a long time. keeping clean does help as does keeping the egr valve clean.

    wouldn't be a bad idea if it was part of the service regime
    Rubbin'z racing Harry!


  3. #3
    Full Member Big Sig's Avatar
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    When driven gently on a long motorway run and then I take my exit and have to stop at the lights etc, when I put my foot down I get a massive and I mean massive cloud of smoke out the back. I have put this down to the egr not opening at less than 30% throttle so when it does all thats built up is chucked out the back. Driven hard every now and then won't hurt it as such imo so why not
    Now I need a turbo to keep up!

  4. #4
    Regular Member gumanue's Avatar
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    Yeah my mechanic mate told me that the black smoke is the carbon build up which needs clearing, Ive seen loads of diesel cars thowing out black smoke.

  5. #5
    Regular Member Readster's Avatar
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    So, would an injector /fuel system cleaner like STP have the same effect?
    I'm wondering whether it would prudent to use this product all the time to stop this issue with EGR valve,
    What do you all think ?

  6. #6
    Full Member Teamtom's Avatar
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    Vehicle : Vectra C Hatch

    Trim : SRI

    Engine : 1.8 VVT

    Year : 2006

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    Quote Originally Posted by Readster View Post
    So, would an injector /fuel system cleaner like STP have the same effect?
    I'm wondering whether it would prudent to use this product all the time to stop this issue with EGR valve,
    What do you all think ?
    I wouldnt have thought so as the EGR valve isnt to do with the injector or fuel system. It is connected to the exhaust system, Exhaust gases are all that pass through the EGR valve.
    Rubbin'z racing Harry!


  7. #7
    Regular Member Thunder's Avatar
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    Vehicle : Vectra C Facelift

    Trim : Elite

    Engine : CDTi 150

    Year : 2005

    Mileage : 71000

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    Quote Originally Posted by gumanue View Post
    I was told by a mechanic m8 that if I red line my 1.9 150 though the gears once a week it will prevent the EGR valve from building up carbon, I also noticed that "JON7278" mentioned the he found that regular motorway and hard drivers don't suffer with the EGR problem as much.
    Could I maintain a healthy EGR valve by filling my right boot with lead?
    Or may be by convincing the Mrs that a tuning box is a good investment!! lol
    One more thing, if cleaning the EGR valve is such a simple job, why don't vx include cleaning it in their servicing schedules, I would imaging it would save them money on warranty repairs.

    Any thoughts
    I was told the same thing & the wife was there so i now have a great reason to put my foot down the mechanic told me too

  8. #8
    Regular Member Grimo72's Avatar
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    if you have DPF fitted to car, you wont get loads of black smoke out the back.

    i got some millers diesel sport to clean it out

  9. #9
    Regular Member fredfox_uk's Avatar
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    Quote Originally Posted by Grimo72 View Post
    i got some millers diesel sport to clean it out
    How does Millers clean the EGR ? I thought Millers is supposed to clean the injectors / fuel delivery system. Isn't it all burnt up during combustion so there's nothing left to clean anything after that, or is there something in the gases that cleans the EGR ?

    Must admit I'm on my second tank of Millers, it's been around so long it can't be doing any harm (I hope)

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    Regular Member silverhairedracer's Avatar
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    Quote Originally Posted by fredfox_uk View Post
    How does Millers clean the EGR ? I thought Millers is supposed to clean the injectors / fuel delivery system. Isn't it all burnt up during combustion so there's nothing left to clean anything after that, or is there something in the gases that cleans the EGR ?

    Must admit I'm on my second tank of Millers, it's been around so long it can't be doing any harm (I hope)
    I use Millers all the time,when I stripped down my EGR it was free of soot ! worth noting I also have a DTUK box fitted as well,one thing I do not have is a black smoking exhaust !

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