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116 0402 Tune 03 Z

The key to this whole system is the Bosch LSU 4.2 wide-band oxygen sensor. This looks just like a normal oxygen sensor, but in fact is far more accurate in air-fuel ratios from 9:1 to 22:1. This sensor is designed only for unleaded fuel. Use of leaded fuel will permanently damage the sensor. Replacement sensors are only $50 from Innovate.
Tune In, Turn On, and Make Power

The key to this whole system is the Bosch LSU 4.2 wide-band oxygen sensor. This looks just like a normal oxygen sensor, but in fact is far more accurate in air-fuel ratios from 9:1 to 22:1. This sensor is designed only for unleaded fuel. Use of leaded fuel will permanently damage the sensor. Replacement sensors are only $50 from Innovate.  View Related Article