Black smoke

Discussion in 'Motorhome Chat' started by shunter, Sep 10, 2012.

  1. shunter

    shunter Funster

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    Took van out the other day and noticed a lot of black smoke coming from the exhaust so today went for a hard run to see if it would clear ,but no so have booked into garage today I hope it's not to bad:cry:
     
  2. pappajohn

    pappajohn Funster Life Member

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    Black smoke = unburnt fuel.

    blocked air filter/collapsed hose/damaged (poor spray pattern) injector.

    air hoses can de-laminate and collapse internally with no/little outward signs
     
  3. shunter

    shunter Funster

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    thank you that dose not sound to bad i was thinking perhaps the turbo
     
  4. 656

    656 Read Only Funster

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    I think a blown turbo is thick White smoke:Eek!:
     
  5. shunter

    shunter Funster

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    i just thought the turbo because it use to sort of wine as you were pulling away
     
  6. aba

    aba

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    turbos normally start to whistle as they spin up under engine load.
     
  7. aba

    aba

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    if the van has been laid up for a while it could be a rodent nest in the air box i have seen this on occasions before.
     
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  8. jonandshell

    jonandshell Funster

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    Knackered EGR valve?

    Dead rat in your air intake?

    Detached turbo/ intercooler/ inlet manifold hose?

    Stuck turbo wastegate actuator?

    There could be many causes, but black smoke is sooty, inefficient combustion caused by excess fuel or too little air!:Sad:

    Injector problems tend to lead to white smoke caused by unburnt fuel due to poor atomisation of the diesel in the cylinders.

    Hope this helps and good luck at the garage!:thumb:
     
  9. jonandshell

    jonandshell Funster

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    Engine oil in the exhaust due to blown turbo seals is exclusively blue! And it really smells!:cry:
     
  10. shunter

    shunter Funster

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    thats it it did use to whistle but has stoped
     
  11. shunter

    shunter Funster

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    Well thanks all for your replies, the garage will find the problem i hope thay are allso going to change the oil and filter for me:thumb:
     
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