When one of the multiple O2 sensors detect a spare merge of burned fuel to O2 ratio or a evil trail relay in your Ford Explorer Sport Trac, it Testament Journey the "probation engine" aglow. Finding the defective sensor Testament have need having the machine of the Explorer scanned. You can pay for factor aftermarket direct-fit O2 sensors from parts stores nowadays and many Testament be glad to scrutinize the machine for at liberty in direction to sell your the parts you duty.
Instructions
1. Up thrust the front butt end of the Explorer Sport Trac by driving it up onto vehivle ramps. Use the parking brake and domicile a turn chock endure one of the rear tires.
2. Levy on the safety glasses and close with the tools, replacement sensor and creeper whether you gain one. Crawl under the front of the Explorer Sport Trac.
3. Fix the sensor to be replaced. These sensors are screwed into the exhaust pipes and components and wired to wire harnesses that communicate to the computer system of the Sport Trac. The information of which sensor to replace should have already been obtained. Follow the exhaust piping from the engine manifold back until you have located the correct sensor.
Place the sensor wire into the slot on the side of the socket.6. Screw in the new oxygen sensor and tighten. Be careful not to over-tighten or you could damage the threads to the new sensor. Remove the plastic plug clip from the frame of the Sport Trac by prying it out with the screwdriver, but be careful not to damage the wire harness side of the outlet. Unplug the oxygen sensor wire from the wire harness.
5. Use the ratchet and socket to remove the sensor.4. Locate the sensor wire outlet plug. Some of the sensors on the Sport Tracs have a tricky plug to get at.
7. Plug the oxygen sensor wire into the wire harness and fasten it back to the frame if you removed it. Gather the tools and creeper and crawl out from under the Sport Trac. Remove the wheel chock and back the Sport Trac off of the ramps.
