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Thread: Pesky oil loss

  1. #1
    Registered Member Anzi's Avatar

    2002 Protegé5 manual

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    Pesky oil loss

    I’ve been losing a quart of oil maybe every thousand miles. I’ve re-sealed my oil pan which showed signs of leaking, replaced the valve cover gasket and put RTV sin the corners specified by the service manual, but it still loses oil. Where else should I be looking? My previous P5 had more miles on the engine with zero oil leak issues whatsoever.

  2. #2
    Registered Member Big Ds mp5's Avatar

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    I'm gonna say it's getting burned and not leaking

  3. #3
    The Diagram Dude pcb's Avatar

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    I'm agreeing with Big Ds.
    Our engines are known for seizing oil rings leading to oil burning.

    https://www.mazdas247.com/forum/show...l-acceleration

    Maybe put a piece of cardboard under your engine when it's parked to see if you have a leak.
    It'll help you see where it's dripping from if it is.
    The Diagram Dude

  4. #4
    Registered Member STudMUffin1177's Avatar

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    Check your drain plug, I know it sounds stupid but I've tried every plug and washer combo out there and my oil plug still weeps a good amount of oil. It might be a combination of a leaky plug and seized rings like mine. Try a seafoam flush and that should help a bit

  5. #5
    Registered Member concept's Avatar

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    I recommend that you do or have done a compression check. When blowby becomes a problem is directly related to the maintenance history of the vehicle. When I sold our 2002 Protégé, it had 13X,000 miles on it and it didn't burn any oil. I'm certain it can pass 250,000 miles without oil-burning issues if the new owner treats it the way I did.
    2014 3S GT, Deep Crystal Blue, Eibach Pro-Kit, Enkei PF01s, Koni Sports, Pirelli P ZERO ALL SEASON PLUS tires, 225/45/18
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  6. #6
    The Diagram Dude pcb's Avatar

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    +2 on the Seafoam.


    After joining this site, I heard about Seafoam and seizing oil rings.

    After two flushes of Seafoam I started putting 1/2 a can In With The New Oil and leaving it in until the next oil change. And I change the oil every 3,000 miles. (cheapest oil I can find at Walmart)

    You may very well be able to reverse the situation because it sounds like the oil passages in your pistons still have some flow through them so you may be able to dissolve and wash out the gunk.

    Some guys were using expensive synthetic oil and leaving it in for 10,000 miles and they ended up burning oil.

    I don't burn (or leak) a drop of oil. I'm at 150,000 miles.
    Last edited by pcb; 03-21-2019 at 02:48 PM.
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  7. #7
    Registered Member STudMUffin1177's Avatar

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    This guy the seafoam really does help, I've used it in many different vehicles from old rusty junkers to a 2017 corolla. I've noticed it isn't a permanent fix, but if you do a 1/4 can every oil change like pcb said you shouldn't have the super Smokey start up and your oil levels should even off unless you actually do have a leak.

  8. #8
    The Diagram Dude pcb's Avatar

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    From the Seafoam website...






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  9. #9
    Registered Member Anzi's Avatar

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    So I have the Smokey start up for sure, but there IS also a mess of oil in the engine bay lmao. Dunno where the PO got the JDM engine, but I*m starting to get tempted to yank it out

  10. #10
    Registered Member Anzi's Avatar

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    So I have the Smokey start up for sure, but there IS also a mess of oil in the engine bay lmao. Dunno where the PO got the JDM engine, but I’m starting to get tempted to yank it out

  11. #11
    Registered Member Anzi's Avatar

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    So I tried Liqui-Moly 2037 Engine flush, as well as a couple capfuls of ATF down the spark plug holes (warm engine day after flush). Holy shit the car starts more easily, sounds quieter, runs smoother, and most importantly, doesn*t smoke much at all, whatever is left is probably just leftover oil in the exhaust.

  12. #12
    Registered Member STudMUffin1177's Avatar

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    Huh ATF down the plug holes, I've never heard of that. Do you have some insight behind this? I'm just curious and thinking of trying it, thanks.

  13. #13
    Registered Member Anzi's Avatar

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    Quote Originally Posted by STudMUffin1177 View Post
    Huh ATF down the plug holes, I've never heard of that. Do you have some insight behind this? I'm just curious and thinking of trying it, thanks.
    One of my buddies is a pro mechanic, and recommended I do it to clean out carbon deposits and get anything in the compression rings that the engine flush may not have. Also good to attack the rings from both top and bottom in this scenario I suppose. Either way, it mad an improvement in power according to my ass dyno.

  14. #14
    Registered Member STudMUffin1177's Avatar

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    So you did a capful in each hole before start up? Any specific brand?

  15. #15
    Registered Member Anzi's Avatar

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    Two capfuls of generic cheap ATF. Doesn*t matter what it is when you*re burning it

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