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2002 is300 rough idle

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Old Nov 2, 2012 | 05:37 PM
  #1  
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jeffriesj
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From: nc
Default 2002 is300 rough idle

i have a Lexus is300 that will idle rough when the engine warms up and i am getting a P1349 code, and it will occasanilly stall.
I have cleaned the mass air flow sensor,cleaned the oil control valve filter and tested the oil control valve.But still have the same issue.
i am new to the forum,any help would be greatly appreciated
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Old Nov 2, 2012 | 08:32 PM
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Originally Posted by jeffriesj
i have a Lexus is300 that will idle rough when the engine warms up and i am getting a P1349 code, and it will occasanilly stall.
I have cleaned the mass air flow sensor,cleaned the oil control valve filter and tested the oil control valve.But still have the same issue.
i am new to the forum,any help would be greatly appreciated
When was the last time the timing belt was changed?

two possibilities - bad cam sensor or slipped / incorrectly installed timing belt..
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Old Nov 4, 2012 | 03:47 PM
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trying to find out how old the belt is,is there a way to test the cam sensor
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