Where are my oxygen sensors located on my 2003 Dodge Dakota 4.7L V8? This truck has four oxygen sensors. Two on the passenger side and two on the driver's side. In this video I show you where your driver's side oxygen sensors are located. These models have an upstream and downstream sensor in reference to the catalytic converter. Have fun changing these, the upstream sensor is BURIED. The only way to make this job easier is to rent/borrow/buy the O2 sensor socket kit. Then using your longest socket wrench and the kit, they come off, eventually. Bad driver's side sensors will cause these codes: p0131 p0132 p0133 p0135 p0136 p0137 p0138 p0139 p0141 These codes will tell you if the upstream, downstream or both sensors are bad.
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