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How to Replace the Oxygen Sensor in a 2002 Dodge RAM 4 7

The oxygen sensors on a 2002 Dodge Ram 4.7-liter engine regulate the amount of oxygen burned in the engine, and they improve fuel efficiency and reduce pollution. Over time, the Rams sensors can become ineffective, causing the Dodge to have poor fuel economy and produce excess pollution. The 2002 Dodge Ram 4.7-liter engine has two oxygen sensors, and replacing them when necessary can make your truck more fuel-efficient.

Instructions

1

Locate the Rams oxygen sensors. They are located on either side of the catalytic converter on the exhaust system, and they look similar to a spark plug with an electrical wire at the end.

2

Remove the Rams wiring harness. Pull off the wire at the end of the pickups oxygen sensors. Do not damage the end of the wire harness.

3

Remove the Rams oxygen sensors from the exhaust system, using an oxygen sensor wrench.

4

Apply anti-seize compound to the threads of the oxygen sensors and the threads into which they connect.

5

Insert the new oxygen sensors, using a wrench to tighten them onto the Rams exhaust system. Reconnect the wiring harness to the oxygen sensors by pressing firmly until they click into place.

Posted by Unknown at 3:15 AM

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