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You are watching: 1998 chevy silverado oxygen sensor location


Please help me through my 1998 Chevy Tahoe 5.7L 4x4. This feather my check engine light come on, I brought it to Autozone and they scanned it v their OBD2 auto reader and it revealed code P0161, O2 sensor heater circuit break down (bank 2 sensor 2). Ns purchased the O2 sensor, yet then check out online that they can be very difficult to eliminate if castle have remained in for a lengthy time. I made decision to bring it to a garage and have them execute it for me. A couple of days later on the light came earlier on. Same code P0161.I lugged it earlier to the garage and explained the the light had come back on and was revealing the very same code. Castle inspected and discovered the they had installed the sensor I lugged to them in ~ location financial institution 1 sensor 2, not bank 2 sensor 2. Ns paid them for a new sensor and labor to install one at location bank 2 sensor 2. Trouble seemed to be solved and light did not return.Fast forward 3 months. After having actually some transmission occupational done last week the check engine irradiate returned. Very same code, P0161. I figured maybe they had tugged on some wires on other while working on the transmission, for this reason I lugged it ago to the garage the did the O2 sensors for me and explained ns thought possibly a wire had come to be disconnected while the infection shop was working approximately it. They tested the relationships to both bank 1 sensor 2 and Bank 2 sensor 2. Whatever seemed come test out fine, for this reason they finished up swapping the two sensors. We were make the efforts to recognize if the check engine light would certainly follow the sensor. This method if the light came ago on and also said P0161 us would know that it have to be in the connection from the car"s computer to the cable harness because that the financial institution 2 sensor 2 sensor. And if the irradiate returned and also revealed the code for financial institution 1 sensor 2 we would know it to be the sensor itself. Well this day the irradiate returned and also revealed code P0141 O2 sensor heater circuit break down (Bank 1 sensor 2). The code seems to have adhered to the O2 senor"s change of location. I want to change this sensor, right? I"m worn down of bringing my car into the garage, and also have spent practically $600 trying to obtain this dang check engine irradiate off. I am i was sure I have the right to swap the sensor myself this time. Autozone will replace the original sensor i purchased indigenous them in April, and has an O2 sensor wrench I can borrow. I"m not so worried around the sensor being seized in there since it has actually been out now twice in the critical 3 months.My question, whereby is the location of financial institution 1 sensor 2? I believe it is behind the Cat, however have heard conflicting info as to weather it is on the vehicle drivers side or passenger side. Anybody understand for certain.Sorry this to be so long.

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