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Master
7,353 Answers
- Posted on Sep 21, 2011
Re: I have a lexus es 300, 2002. the check engine light...
#1 stay away from Ottozoo. #2 have a good repair shop check it out. Most likely the A/F ratio sensor (oxygen sensor) is bad. the BLACK wire is power for the heater, so if the BLACK wire has power, replace the A/F ratio sensor.
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