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oxygen sensor

  1. Heated Upstream Oxygen Sensor Issues

    1Gen-Tundra
    I have a 2002 TRD Tundra with 285,000 miles on it. I have a friend with the same truck. I take good care of my truck, change my oil every 5,000 miles, change the plugs, PCV, timing belt, air filter,... etc. In the winter the truck would not want to start and I noticed poor gas mileage especially...
  2. 2003 Sequoia O2 Sensor Replacement

    Tundra
    On my 4x4, I have code P0031 - bank1, sensor 1 low voltage. I have the replacement part and have read other posts about this replacement but I can't locate the sensor on the vehicle. Can someone please help me find the sensor?
  3. Replaced O2 sensor, now stall when stopped

    1Gen-Sequoia
    We have a 2002 SR5 that we love very much. We decided to put money into keeping it awesome instead of dropping oodles of money on a new car. So, we were very handy and replaced our O2 sensor yesterday (Bank 2, Sensor 1 - based off of T0155 code that Toyota read for us). All seemed really great...
  4. Oxygen Sensor Help!

    1Gen-Tundra
    I posted a question the other day about a Check Engine light on my 2001 Tundra. I had a new battery installed at Autozone last Friday and later that day noticed the Check Engine light on. After some suggestions, I went back to Autozone. My alternator tested fine. The code for the Check...
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