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rx8 lost power and it doesn't go over 2000rpm

Old 04-08-2018, 02:26 PM
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rx8 lost power and it doesn't go over 2000rpm

Hey,
I have a 05 mazda rx8. i got a problem and I was wondering if anyone knows whats going on with it. I changed the oil on it myself and i messed up like an idiot and filled it with too much oil. i noticed after i drove it around and it started pushing out a lot of white smoke so i drained the extra oil out . after 3 days of that my car lost power and it was taking forever to speed up. it also starts making noises after i hit 2000rpm and a noise comes on from the engine. now I have a test pipe so its not because of the catalytic converter is clogged. anyone has any idea?

i know i messed up I'm Dumb like that

Last edited by samer; 04-08-2018 at 03:41 PM.
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Old 04-08-2018, 03:21 PM
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Pull your intake system off. It's likely that you have some oil in the accordion tube and even the airbox.

I have overfilled a little bit before as well, and luckily, nothing happened. If you don't know how much you drained out, pour in 2 litres/quarts in first and check your dipstick, then add in the appropriate amount according to the dipstick.
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Old 04-08-2018, 03:24 PM
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What noise is it making?

You gotta be clearer about what's happening. Not going over 3k rpm sounds like limp mode related to the OMP.
Blowing amoke sounds like oil in your intake and a very dirty MAF.

So clean the entire intake out and try again.
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Old 04-08-2018, 03:45 PM
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thanks, now the engine chokes, and i found oil in my air filter
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Old 04-08-2018, 03:51 PM
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Yeah... because everything in the intake including the MAF are coated in oil. Clean it all out and change the air filter
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Old 04-08-2018, 04:03 PM
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its a rattle sound after 2000 rpm. now the engine chokes and i checked the air filter and i noticed that it was full of oil too.
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Old 04-09-2018, 02:34 PM
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Take the intake off and clean everything. Sounds like filled the intake with oil from being overfilled.
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Old 04-09-2018, 05:00 PM
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What everyone else said, take your intake apart and clean it, clean your MAF sensor, then do the 20 brake pedal stomp to reset the NVRAM.
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Old 04-11-2018, 01:00 AM
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SO I clean it all the maf and started it and still got the same issu.... could it be the spark plugs? I canít think of anything else? Or maybe itís the engine?
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Old 04-11-2018, 08:30 AM
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You can pull the spark plugs and see if they're oily. After something like that, it will take a while to burn off all the oil deeper down that you haven't cleaned out.

Can you make a video of the problem? Your descriptions aren't very clear.
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Old 04-11-2018, 05:31 PM
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I will try to make a video as soon as possible.


check this video. it sounds very similar to that but in a lower speed and rpm.
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