Oil smoke above 4000 rpm
03-10-05, 04:27 AM
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Oil smoke above 4000 rpm
I was wondering if anyone knows if I have a oil injection problem or an oil sealing, internal engine failure. It runs great, but look out above 4000rpm. 
03-10-05, 11:54 AM
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Another possibility that I've had recent experience with is excess crankcase pressure. I don't feel comfortable with my understanding of how the seals in the turbo work, but if there is excess crankcase pressure, oil can spew out of the turbo and/or damage the turbo seals. You could try driving around with an open vented crankcase and see if that makes a difference. If so test the PCV valve, check valve connected to the intake, etc.
Last edited by Snrub; 03-10-05 at 12:00 PM.
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