Question about 1994 Honda Civic

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There is smoke coming out of the breather and oil filler, what is the problem?

What should i do?

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Place hand over filler cap is pressure or vacuum felt. If so engine issues. Buy engine if no pcv pump, like Chevy colbalts with korien world engine series. If no pressure or negative pressure, vacuum, them usually the white colored smoke is truely water vapor, which is normal. Hold hand over smoke or steam for a but, if hand gets moist or clammy from smoke then its just water vapor and is normal. This is also why the underside of oil filler cap has white slime on it. The water and oil mix here because it is usually the highest point in system.

Posted on May 15, 2014

  • emannabelard
    emannabelard May 15, 2014

    i don't understand sir?

  • Butch Warr May 15, 2014

    this is called blow by valves, valve guides and or seals usually will cause this, a compression check on the engine will tell you which cylinders are bad...going to be costly to repair..

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You need to get the compression checked, there is oil getting into the cylinder, bad rings, valves, valve guides and valve seals can cause this....

Posted on May 15, 2014

Testimonial: "i will just change the parts that you said especially the rings, no need to bring it to the machine shop ?tnx"

  • emannabelard
    emannabelard May 15, 2014

    i will just change the parts that you said especially the rings, no need to bring it to the machine shop ?tnx

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Posted on Jan 02, 2017

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Its blowing oil out of the oil cap why would this be ?? also i bit of white smoke then came out the back


The oil level may be too high.
Is the filler cap tight?
blow-by in the cylinder piston rign area. A wet test of engine compression will detect this.
A bad had gasket. Engine will be over heating as water is being used up during combustion.
Bad head gasket. Could explain white smoke in exhaust.

If the engine is overheating I would be suspecting a problem in the head area.

Good Luck. SnugglePants

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