2003 Toyota Highlander Q&A

2003 Toyota Highlander Question: HELP HELP HELP O2 SENSOR

I VE CHANGED MY O2 SENSOR IT STARTED FIRST NOW CANNOT KEEP THE CAR RUN I NEED TO PUSH THE GAS PEDAL ALWAYS SO I NEED TO CHANGE O2 SENSOR AGAIN ???? -
Answer 1
SEEK PROPER DIAG AS YOU ARE WASTING YOUR TIME AND MONEY. O2 SENSOR WILLL NOT NORMALLY MAKE IT START HARD -
Comment 1
i know it s not about o2 sensor that the car doesnt run but i want to know what might be ??? i just told what i did and what happened to car after changed o2 sensor -
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