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Where is the o2 sensor on 1995 Chevy silverado?

The location of the O2 sensor(s) on a 1995 Chevy Silverado depends on the engine. There's usually one or more before and after the catalytic converter. You'll find them in the exhaust system piping.

To be certain, you'll need to:

1. Find your engine size: Check your vehicle's documentation (owner's manual) or the sticker in the driver's side doorjamb. This will give you the specific engine code (e.g., 4.3L V6, 5.7L V8).

2. Consult a repair manual: A Haynes or Chilton repair manual specific to your year and engine will have diagrams showing the exact location of the O2 sensors. These manuals are invaluable for this type of question.

3. Use a diagram online: Websites like AutoZone, Advance Auto Parts, or others often have repair information that may include diagrams, but double-check the compatibility with your precise engine.

Without knowing the engine size, I cannot give you a precise location. Searching for "[Your Engine Size] 1995 Chevy Silverado O2 Sensor Location" on the internet might help you find pictures after you determine your engine size.