The oxygen sensor actively measures the exhaust output from the engine in order to determine the proper mixture for the car. If you are having trouble adjusting the mixture on your car to proper levels, there is a high chance that you may have a faulty oxygen sensor. The oxygen sensor is located before the catalytic converter because the air/fuel mixture ratio cannot be accurately calculated after the exhaust gases have been processed through the CAT. It's also highly recommended that you check out our Pelican Technical Article on Replacing Oxygen Sensors.
Oxygen Sensor Removal Tools
Are you having trouble removing the oxygen sensor? Many times, it is not possible to get a wrench or socket around the sensor due to its location in the exhaust. Once again, Pelican has your answer. This special tool allows you to remove the oxygen sensor using a standard 3/8" drive ratchet, simplifying an otherwise difficult job.
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Note: Copper based. Prevents seizing, galling, rusting, and corrosion on threaded connections, Will call, delivery,or ORM-D (LQ) ground shipment only.~Item cannot be shipped by air. Alert: This part contains hazardous or explosive materials and cannot be shipped (local pickup only).
Using a quality anti-seize lubricant now can save you hours of pain-staking work the next time you attempt to remove that old hardware. These premium compounds offer high temperature resistance, corrosion protection, and good electrical conductivity.