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-   3rd Gen Protege/MazdaSpeed/P5/MP3 (https://www.mazda3club.com/3rd-gen-protege-mazdaspeed-p5-mp3-26/)
-   -   Losing oil .. normal?! (https://www.mazda3club.com/3rd-gen-protege-mazdaspeed-p5-mp3-26/losing-oil-normal-46872/)

demoniam November-8th-2007 10:13 AM

I'm glad i found this post. I just noticed the same thing yesterday. I added 2 quarts and hopefully that'll last till next paycheck, so i can do a proper oil change.

why does synthetic burn out like that?

_Kansei_ November-8th-2007 10:34 AM


Originally Posted by demoniam (Post 396402)
I'm glad i found this post. I just noticed the same thing yesterday. I added 2 quarts and hopefully that'll last till next paycheck, so i can do a proper oil change.

why does synthetic burn out like that?


It shouldn't.. it definitely isn't 'normal' to be losing oil.

93K miles and the one stretch where I had to add oil between changes was before I got a restrictor fitting for the oil inlet on my turbo (wtf Garrett you specifically say on your GT25R page that it isn't needed). Fixed that 5k miles ago and it has been perfect ever since. I'd notice even if the oil was just down a little because I have an oil pressure gauge and I'm always monitoring it. It's 70-80psi at idle when cold-started, 15-20psi at idle when warmed up, and 55-65psi when cruising on the highway. Any lower and I know somethin is up. Before it would eventually get to being only 30-40 on the highway, then I'd have to add half a quart.

The oil is leaking somewhere or being burned if you ever get low between changes. Always check the oil level before you drain it out so you know. KrayzieFox's issue might have strangely come and gone, but it doesn't mean anyone else will be as lucky.

shanej18 November-24th-2007 02:39 PM


Originally Posted by KrayzieFox (Post 394129)
Well .. after about another 700-800 miles it seems that everything is alright after all. I have no idea where that first quart of oil after the oil change disappeared to but it's all good now. I checked the oil level last Tuesday, and just checked this morning as well when I filled up at the gas pump and it's all still there.

Thank you all who offered your input, your help is greatly appreciated :)

i have seen this problem before and it would only lose oil when the engine was revving high( around 5k or higher) if you use 10w-30 the problem will slow down but still be there, there are 2 possibilites. 1 its the valve seals or 2 it the piston rings, or both. if its doing it at high revving the its a good chance its your rings.

_Kansei_ November-24th-2007 04:46 PM

Hey welcome to the forum (I know you joined in May but hadn't seen you post)

there's a good group of mazda guys in the Boston/Cape area (most are south of Boston). Collectively we were/are the New England Protege Owners Club.. no real meets or anything in the winter though :P

meGrimlock May-26th-2009 12:06 PM

i've been losing oil since the last 3 oil changes. its not leaking, no visible leaks inside or outside the car. how do i check the valve seals or piston rings?

when i brought the car in for the 60k maintenance i dont believe the shop checked the valve clearance, which was on the "inspect" list according to the mfg. could that be related to checking the valve seals?
-meGrimlock


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