camlex Posted April 15, 2007 Share Posted April 15, 2007 hello i don't know what i did wrong while i was cleaning the throttle body, but something went wrong. After i was done cleaning it, the check engine light showed up. code was 0150. so i replaced both Sensors from toyota and reset the light by unplugging negative battery wire for 15 minutes. after one day, i got that light again...so i went to toyota and told them the Sensor was bad. so i replaced and reset the light again, and guess what? I GOT THE CHECK ENGINE LIGHT AGAIN! does anybody know what is going on here? should i just take it to the lexus stealer? thanks in advance (that light is really bothering me) Quote Link to comment Share on other sites More sharing options...
camlex Posted April 16, 2007 Author Share Posted April 16, 2007 Bump....... Quote Link to comment Share on other sites More sharing options...
Toysrme Posted April 16, 2007 Share Posted April 16, 2007 P0150 Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 1) Check the sensor's wiring if the sensor is good. Quote Link to comment Share on other sites More sharing options...
camlex Posted April 17, 2007 Author Share Posted April 17, 2007 Thanks, After installing first from toyota i had same code. so they replace with another new one. Two new sensor from toyota can't be bad. Some thing else is messing up. Same code again. After reset i started car and move O2 sensor wiring but code didn't show up. Also i noticed while driving on freeway (High speed) light never come. But at light while car is idling it's shows. How to check wiring? Needs help. Quote Link to comment Share on other sites More sharing options...
Toysrme Posted April 17, 2007 Share Posted April 17, 2007 see if it's damaged. Shorting to ground, or not passing a signal back to the ECU. Quote Link to comment Share on other sites More sharing options...
camlex Posted April 17, 2007 Author Share Posted April 17, 2007 Toysrme, Thank you. I will check tomorrow. Thanks, Quote Link to comment Share on other sites More sharing options...
camlex Posted April 17, 2007 Author Share Posted April 17, 2007 Is any relationship between MAF and O2 sensor? Because, after cleaning MAF, I got CEL. Thanks, Quote Link to comment Share on other sites More sharing options...
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