Question about 1995 Toyota Previa

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Couds of grayish smoke when starting

Clouds of grayish smoke when starting in mornings or when stood for a while.also what are the signes that the glow plugs are playing up.

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  • David Donnelly
    David Donnelly May 11, 2010

    Where is the smoke coming from?

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  • Toyota Master
  • 2,359 Answers

If it's the org. engine it will has over 200,000 miles on it.
It's normal to has the valve steam seal/oil seal on the head to leak oil into the cyclinder.

The smoke you see is the motor oil drop from the seals.

It land on the top of the cyclinders and it create black smoke at start up.

The inexpensive fix is to start using high mileage oil with seal conditioner.
This will help soften the rubber seals and help reduce internal oil leak.

The correct fix is to wait until it's time for a head gasket replacement and let the professional service the head.

Complete head service is the only method to stop this internal oil drip problem.

Posted on Aug 24, 2009

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