Question about 1994 Volvo 940

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I just bought a 94 940 turbo 132 K miles.Runs great,it sat for 4yrs!But aftre the oil was changed it started to smoke alot,it also has alot of back presure. Also has alot of smoke coming out of oil filler cap when removed.Iunderstand there is afilter or something in the crankcase vent system. Could this cause the problem.

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  • 3 more comments 
  • cavtropic123 Mar 26, 2010

    Yes, used 1/2 qt in less than 1hr troubleshooting

  • cavtropic123 Mar 26, 2010

    Yes, used 1/2 qt in less than 1hr troubleshooting

  • cavtropic123 Apr 26, 2010

    I FOUND TURBO WAS SHOT REBUILT TURBO 50.00 BUCKS AND SOLVED THE PROBLEM. THE PERSON i BOUGHT IT FROM FORGOT TO TELL ME THE TURBO WAS BAD! gO FIGURE

  • cavtropic123 Apr 26, 2010

    sORRY ABOUT THAT i WENT BY INFO I was given. That would have been my guess as well,But as I replyed I was shorted info. I also did not intend to give you a bad rateing!!!!!!!!! Please forgive me you can only go on info you are given. Sorry again Dan C!!!!!!!!

  • omaromid
    omaromid May 11, 2010

    Does the oil level go down?

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As you described the problem I'm afraid it shows a problem with engine piston rings, the engine itself is burning oil and the part you are talking about is called PCV, they can cause problems but not as severe as you described. Hope it helps, comment if you need more advice and please rate the answer, it helps me with my general ratings, thanks!

Posted on Mar 26, 2010

Testimonial: "I was not given all info prev owner forgot the part about a bad turbo. Hard to troubleshoot without all info! Dan"

  • omaromid
    omaromid Apr 26, 2010

    Hi I'm one of the experts here and all my intention was to help you solve your problem, your rating hurts my general rating badly. I answered the question based the info I got from your question, if you need more advice let me know.
    Best

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