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.
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.
Wurth CU 1800 Extreme Pressure Lubricant, 1 lb [More Info]
$26.15
Wurth Exhaust Assembly Paste
Soft paste for fast, easy gas tight sealing of flanges and slip fittings in the exhaust system. No welding necessary. Sets with exhaust heat. Temperature resistant up to approximately 1292° F
