What happend that fail "OCV valve"?
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Joined: Mar 2014
Posts: 59
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From: korea
What happend that fail "OCV valve"?
Dear Sir.
My LS430 sometimes occured a engine vibration and shaking.(low rpm time)
So. I'm going to service center.
My Mechanic is check the my LS430. and show up check report to me.
The scanner found "VTEC system fail".
"OCV valve fail" guess, my Mechanic said to me.
What happen occur that fail "OCV valve"?
Thank you.
My LS430 sometimes occured a engine vibration and shaking.(low rpm time)
So. I'm going to service center.
My Mechanic is check the my LS430. and show up check report to me.
The scanner found "VTEC system fail".
"OCV valve fail" guess, my Mechanic said to me.
What happen occur that fail "OCV valve"?
Thank you.
Lexus Champion
Joined: Mar 2011
Posts: 2,186
Likes: 729
From: Texas
The Youtube video below shows how the OCV directs engine oil to Advance or Retard the valve timing to optimize engine performance. Accordingly, a failed OCV will drastically reduce engine performance. The engine shown on the video is not a LS430 but the idea for the Toyota's VVT-i (Variable Valve Timing with Intelligence) is the same.
Last edited by rkw77080; Jan 23, 2015 at 07:25 PM.
Lead Lap
Joined: Aug 2006
Posts: 764
Likes: 3
From: Oklahoma
It is a very simple fix which will only take you 10 minutes. There are two OCV (driver's side and passenger side). They cost just over $100 each. If you do some more searching on here, you will find pictures and step-by-step instructions on how to replace them.
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Joined: Jul 2014
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From: CA
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