I just replaced O2 sensor and now check engine light came back on after driving 30 miles. I took to local Aotozone store and they identified as trouble code P0171. Any recommendations for diy repair, what part may be gone bad which sends computer this error code? I am willing to take challenge to...

Does anyone knows how to locate oxygen sensors? I replaced one right under the driver's seat & outside of car but, I am having hard time finding 2nd one! Please help, Bruce

Airbag warning light keeps blinking. Code B 0138 Short Circuit in Seatbelt Pretensioner for Drivers Side. Cleared code and drove 5 minutes and started blinking again. I need to replace the Drivers Side Pretensioner. Question is this something I can do myself? I do not want to unexpectedly...

My lexus rx 300 is sending a code saying that there is a problem with the egr valve.I called the dealership and they said it doesn't have an egr valve. Could anyone help me with this? When I drive it runs a little rough also when I'm on the highway at 60mph the rpm stays at 4000 really high.

Hi! I just purchased a 2000 Lexus RX300 and the cupholders for both front and back seats are missing. I have looked at several different auto parts dealers online and no one seems to have that replacement part. Any suggestions as to where and the cheapest way to get those cupholders? Thanks for...