Feedback Carburetor System: Description

Some Rabbit models use Carter TYF carburetor with feedback system. System uses modified carburetor, deceleration switch, frequency valve, oxygen sensor, and electronic control unit (ECU) with internal barometric cell. Barometric cell is used to vary duty cycle of oxygen sensor system according to elevation.

Fig 1: Feedback System Wiring Connectors Connect dwell meter (+) lead to Blue/White wire at oxygen sensor test connection for duty cycle check.