2000 Mazda 2300 Ford Ranger Burning LOTS of Oil - Ranger-Forums - The Ultimate Ford Ranger Resource

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Old 09-25-2015
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Join Date: Sep 2015
Location: Cincinnati, Ohio
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Icon9 2000 Mazda 2300 Ford Ranger Burning LOTS of Oil

Hello! First post to the Ranger forums. I have a 2000 Mazda 2300 with the 2.3 DOHC I-4, and it is buring 2 qts of oil every hour on the highway. It seems to be very light under acceleration, but smokes like a banshee going from decel to accel. I've done a compression test wet and dry, with 220 and 180 PSI being the result. I've pulled the intake manifold and the valve cover off, and haven't found any issues except for the number 2-3 cylinder gasket was leaking oil into the top of the plugs. Number 1 & 4 cyclinders were dry (no oil). Could this account for the high oil consumption?

Next step, do I replace the valve stem seals?

Else, could I have bad oil control rings?

Any, and all help is appreciated!!
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Old 01-23-2016
cheese_man's Avatar
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Join Date: Nov 2009
Location: arthur
Posts: 2,100
sounds like you have a cracked cylinder head

there are aftermarket cylinder heads available
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