Question about 1999 Lexus ES 300

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1999 gs300 shows code p1349 and the engine runs really rough at idle , runs fine off idle

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Its a Oil Control Valve most likely. Get the valve. Its like 100 from Lexus. Mine did the exact same thing with that code. GS300

Posted on May 19, 2010

  • djstevenice1 Aug 31, 2011

    I had the same promblem. There are two one on the front side and one on the back. $100 part from Lexus, a little research & my friend who's do it yourself auto guy and promblem solved.

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I suggest you refer the link below and follow its troubleshooting details:------

Click the link below:-----

Ford Expedition IAC valve replacing

http://technoanswers.blogspot.com/2012/12/ford-expedition-iac-valve-replacing.html

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http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html

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http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html

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http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html

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-----------


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1 Answer

Codes:p1346/p1349/p1354/p0446/p0300/p0301/p0303/p0305/p0307/ p0430/car runs rough when idling/lexus gs 400 1998


P0301 Cylinder No. 1 Misfire Detected
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P0303 Cylinder No. 3 Misfire Detected
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P0305 Cylinder No. 5 Misfire Detected
P0306 Cylinder No. 6 Misfire Detected
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P1349 Variable Valve Timing (VVT) System Malfunction
P0330 Knock Sensor
P0446 EVAP Vent Control Fault
P0430 Catalyst System

Stop driving immediately.....

You defiantly skipped on your timing........

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