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A removal of the oxygen sensor from a direct contact with the exhaust gases to a farther place, where the oxygen reading will be reduced using the spacer.
Normal: With Spacer:
The bigger the L size the less oxygen the sensor will “feel”. The result is: the car computer will order to inject less fuel and the combustion will be leaner.
This method isn’t working for all cars but many people still got excellent result using this part together with the hydrogen gas saver.
1)screw out the oxygen sensor using a 18 mm wrench. When the sensor is out don’t touch it’s head no matter how dirty it is.
2)screw the sensor into the spacer part (once again beware damaging the head)
3)screw the spacer combined with the sensor into the sensor’s place on the exhaust manifold.
4)activate your booster and take a test drive to check fuel consumption.
A)My recommendation is to get two spacers : First time make a test run with one spacer,
second time try it with two spacers connected in-
B) Notice not to run your engine using the Spacer part without the Hydrogen booster. A lean combustion without Hydrogen addition could hurt the engine.
C) If your oxygen sensor is close to his death (worked for 35000 Miles or more ) there is a probability that the extraction will finish it’s life due to the stress. In this situation it is recommended to prepare a new sensor and install it with the Spacer part instead of the old sensor. Old or bad sensors have negative effects on the engine and they make your car to use more fuel than necessary (good prices on new Sensor(s) here).
D) If your car have 2 sensors between the engine and the catalytic
converter, it is necessary to install one (or two) spacer(s) on each