Plus the car is riding rough when cold. I did change the gas cap but now it is on so tight that I have to use plyers to remove
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2000 Lexus RX300 Question: I keep getting the following codes P0171, P1150,P1150p
Answer #1G. T. Service Center (4231 Answers) , Stephenville, TX - (254) 638-3236ProfessorG February 25, 2014, 20:22Master
Sounds like air fuel mixture issue, lean code could be different things on this model. There has been problems with the o2 sensor, purge solenoid, other vacuum leaks, and a MAF sensor. Have it tested to be sure.
Answer #2Greg's Orange Auto (14224 Answers) , Orange, CA - (714) 361-9386globalhelper February 26, 2014, 05:50Master
don't guess have it tested