1997 Jeep Wrangler 2.5L


On a 2.5 liter there should be only 2 O2 sensors. Bank 1 usually refers to the left side and bank 2 is right side. Sensor 1 is the one closest to the engine (before the Catalytic converter), sensor 2 is the one after the catalytic converter. Since it's a 4cyl. there should only be one exaust pipe coming out of the engine exaust manifold.
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