THE ADVANTAGES OF OUR OXYGEN SENSOR.

1. Improves engine performance
2. Monitors combustion process and reduce emission
3. Gas saving
4. Meet or exceed OEM specification

HOW TO IDENTIFY DEFECTIVE OXYGEN SENSOR?
1.Reduced gas mileage
2.Exhaust smells bad like rotten eggs
3.Check engine light lights up 
4.Engine idles rough
5.Car is suddenly hard to start

HOW TO INSTALL OXYGEN SENSOR?
Step 1: Pull the plug and remove the oxygen sensor.
Step 2: Compare the new sensor with the old one to ensure they are same model.
Step 3: Add a small amount of anti-sticking agent on the screw thread.
Step 4: Slightly tighten the sensor against wires damage and sensor leakage.
Step 5: Turn on the ignition, and use the scanner to remove the codes.