Question about 1998 Toyota Corolla

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My number 2 cylinder

I changed all of my sparkplus i pulled the number2 plug and there was oil all in the hole i went to autozone they checked it they said to change the valve cover gasket i did that could it be the coil

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  • ssdog77 Feb 28, 2009

    the check engine light is still on

  • ssdog77 Feb 28, 2009

    well my engine light was on i went to autozone they checked it and it came up that the #2 cylinder was misfiring they said to change the valve cover gasket i did that the check engine light is still on

  • ssdog77 Mar 01, 2009

    i changed the valve cover gasket and my check engine light came back on after driving it today what could it be now the plug wires are fine i dont know what else it could be.should i take it to autozone and get them to check it again . they said the #2 cylinder was the problem at first. oil was in the tube so i thought it was the valve cover gasket. i changed the gasket i cleaned the cover really good before and put the new gasket in i drove it and the light came on again

  • ssdog77 Mar 02, 2009

    i got a code it is po300 definition is cylinder misfire detected explanation is the powertrain control module monitorsthe crankshaft speed and has detected a misfire condition probable causes what does this mean what is wrong with my car

  • ssdog77 Mar 03, 2009

    the exact code is #po300

  • honest_auto_ May 11, 2010

    IF MY OLD *** MEMORY SERVES ME RIGHT..THE VALVE COVER GASKETS WILL LEAK OIL INTO THE SPARK PLUG CYLINDER HOLES.

    YOUR EXPLAINATION WAS CUT OFF BY YOUR EXPLAINATION. try more explaination please.

    Thank You.

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It sounds like you just have too much oil in there to begin with. I'm unsure on how the valve cover gasket would affect the spark plugs in this case.

Posted on Feb 28, 2009

  • 1 more comment 
  • Zachary Kloefkorn Feb 28, 2009

    i don't think i really read that right to begin with. I thought it was on the sparkplug end of it. Sorry i didn't see where it said in the hole of it. In that case it would be the valve cover. Thanks for catching my slip up honest_auto_. I also think (now that i thoroughly read the whole message) that it could be the rubber gasket that when you place the cylinder cover on it, it goes on the spark plug tube itself at the top.

  • Zachary Kloefkorn Mar 01, 2009

    see if you can get them to tell you the exact number for the code (ex. #p1107) once you get that tell me what it is and i'll let you know that. Also, is there still oil in the hole of the cylinder?

  • Zachary Kloefkorn Mar 04, 2009

    check all of your plugs one more time. Clean them up and put them back in. Once that is done see if it comes up again.

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