1997 Lexus ES 300 "o2 sensors es300" Questions

...es300 P0420 is catalyst below threshold. It is triggered via the rear o2 sensor (post cat), so you may want to check that sensor to make sure it's functioning properly. usually caused by worn out ...

O2 sensors on a 1997 Lexus ES 300? I keep getting an error code PO141. I replace the Q2 sensor in the front of the engine. But I still keep getting that error code PO141. How many O2 sensors on a 1997

what fuse number is connected to the o2 oxygen sensor for 1998 lexus es300 dont have o2 fuse , only have EFI fuse , to clean codes remove it for several seconds

...filter if not done in 3 years Clean the throttle plate and MAF Sensor Install front 2 -- O2 Sensors at 100,000 miles Brake fluid every 2 years Trans & Power Steering fluids every 30,000 ...

o2 sensor problem, but this one usually requires the sensors to be working correctly to set. Due to the diagnostics neccessary, probably you will save money by having it looked after by an experienced

ES300 and when I press on the gas it doesn't act like it wants to go. When It finally does go it sounds like a plastic bag is in the exhust. We have replaced the O2 sensor and the Mass air flow system

...o2 sensors. To properly diagnose this if no check engine light is on would be to read the data list with the scan tool, unfornutely the best thing to do here would be to have the dealer diagnose this ...

...o2 sensors. it seems much more logical that it is the o2 sensors than the cat. fixing the problem usually makes the light go away but not always, so resetting the computer is adviced. also, resetting ...

...es300 trouble code po172 and misfireing on all cylinders what can cause these problems Whats going on here is that you have a too rich fuel air mixture. This will cause your misfiring and set off the ...

...o2 sensors. one of the ones you didnt replace may be bad, but then again a lot of things can make the check engine lite come on. recheck the plug connection on the one you changed and make sure its ...