What can i do to fix this problem? the lights came on today and won't go off when i try to push the trac off button. Checked gas cap and it is tight.
SOURCE: 1999 lexus es300
This has been happening to my car as well. It typically happens when your oxygen sensors start to wear out. Mine does it once in a while and I have the local auto store reset it. Go to your nearest auto store and have them tell you what code it is and ask them to reset the OBD so the light goes out. If the light comes on right away and the code has to do with your oxygen sensors, have them replaced. There are three, two are easy to replace, one takes some effort as it is in a tough to get to spot. The dealer will charge you a fortune to replace them so do it yourself or through a local mechanic. It is a very simple task other then the access.
SOURCE: Does the 2001 Lexus ES300 have an interference
From what I have research your car does have and interference engine.
SOURCE: how to change lexus es300 2002 cabin air filter
I just changed the cabin filter of my ES300. I found the instructions on the manual, under airconditioning and audio. It's pretty easy to do. I bought the filter from Kragen's for $21.95.
SOURCE: Check engine light/gas cap will not stay tight.
yes the gas cap could cause this,also check evap. purge solenoid and hoses for cracks or kinks,the solenoid is on the inner fender and has 2 hoses, one to the intake and one to the canister, the most common cause of this code is a defective purge solenoid.
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Problem resolved. Lexus replaced an oxygen sensor and it cost $410.
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