Alfano A2503 Broadband Lambda Probe 4.9  

This LSU 4.9 broadband Lambda sensor measures the air/fuel ratio at all times, at both low and high engine speeds (RPM). Very useful for quickly finding the best carburettor setting and getting the most out of your engine's performance.

Connects to the black port (BUS) of your ALFANO 7 or to the orange port of Box 12.This sensor must be connected to the Controller Box (A2504) Before plugging in to the Alfano 7 directly of the BOX12  

The sensor must be installed as remote as possible from the engine. Please note: this sensor displays the lambda values ​​when the exhaust gas exceeds 300 ° C only Important: For a correct reading of lambda values, exhaust manifold must be properly sealed.