Lexus Troubleshooting Questions? Ask a Lexus Expert
Hello, my name is ***** ***** I am a professional here at Just Answer. I have noticed that your question was not getting a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.In order to be able to help you with these codes we are going to need to know the year, make of your Lexus . If you can post back when you can with complete information, I will help you determine the cause of the fault codes you are getting.
The code P1349 indicates a problem with the Bank 1 Variable Valve Timing (VVT) Solenoid which can cause the misfire codes P0300, P0301 , P0307 and P0307 to set as well. The first thing you should check for sludge build up in the Variable Valve Timing oil control solenoid valve which could cause it to stick.The code P0763 indicates a problem with the Transmission Shift Solenoid(s) which would affect shifting bu not engine performance.The fault code P0446 indicates you have a problem with the EVAP Vent Control Solenoid Circuit .