Enhance Fuel Efficiency A Step-by-Step Guide to Changing O2 Sensors

Use a ratchet wrench and an oxygen sensor socket to unscrew it. You can also use an open-end wrench to unscrew the sensors. It can be very awkward to work down there. In terms of locations, the secondary is right after the catalytic converter and the primary is on the ... Disconnect the electrical connection to the oxygen sensor. Follow the cable away from the end of the sensor plugged into the exhaust line. It will end in a ... Take the sensor out, replace it, reinstall the heat shield, put the fender liner back in, put the tire on. Total time to R&R the right side was 2 hours. Disconnect your battery negative terminal, jack your car up, support it with jack stands, disconnect the sensor wiring pigtail, and use something called a " ... Step 1: Make sure the car is in gear and e-brake is up. Jack up the front of the car. Step 2: Locate your cat and you will see a sensor sticking ... The truck didn't want to start. Then once started it dies when my foot's not on the gas. So if I'm stopping, turning, etc... the truck stalls. This is really the easiest way to gain access to the upstream O2 sensor. Removing the wiper tray provides the clearance and headroom to get at, and tools on, ... I did a lot of searching and didn't find any real tips for replacing the pre-cat sensors. So I thought I'd pass along a few of my own tips. Preparing to Remove the O2 Sensor · Unplug the electrical connector. · Unscrew the mounting bolts. · Remove the old sensor. · Install a new unit ...