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OBD2 Code P0134 in 1996 Chevrolet Cutlass Supreme: How to Locate Bank 1 Sensor 1

Model: 96 Cutlass Supreme Fault Code: P0134 Posted: 2007-02-24 08:24

Hello, I'm new to this forum and seeking help. I have a 1996 Chevrolet Cutlass Supreme with a 3.1L engine and approximately 162,000 miles. The vehicle is displaying OBD2 diagnostic code P0134. We're considering replacing the oxygen sensor, but I'm unsure where to find Bank 1 Sensor 1. Can someone clarify its location? Thanks for your guidance.

Related fault codes

P0134

Comments (2)

Anonymous 2007-02-24 08:30

If your vehicle has only two oxygen sensors, then Bank 1 Sensor 1 is the upstream sensor. However, if it has three sensors, Bank

Anonymous 2007-02-26 22:03

Thank you for the quick response! My car has three oxygen sensors. I followed your instructions and located the sensor by tracing the ignition wires to cylinder #1—this is on the same side of the engine as cylinder #1, which is in the exhaust manifold. I've replaced the sensor and now hope it passes the emissions test.