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Where is the oxygen sensor located on a 1995 dodge 1500 with 5.9 liter and single exhaust?

On a 1995 Dodge 1500 with a 5.9L engine and a single exhaust system, the oxygen sensor (O2 sensor) is typically located in the exhaust manifold, before the catalytic converter. There's usually one upstream (before the cat) and one downstream (after the cat), but with a single exhaust, you'll only have one upstream sensor.

To be certain, you should:

* Consult your vehicle's repair manual: This is the most reliable source of information for the exact location.

* Look at a wiring diagram: This can help you trace the oxygen sensor wiring back to its location.

* Visually inspect the exhaust manifold: The sensor will be a threaded metal cylinder, usually near the collector of the exhaust manifold.

Caution: The exhaust manifold and components near it get extremely hot. Allow the engine to cool completely before attempting to locate the sensor.