852555F 1 Mariner BOTTOM COWL

Table 1
Tools Needed     Qty    
391-8170 EMISSIONS ANALYZER TOOL GP - (Bluetooth Module) (1)     1    
393-0673 EMISSIONS ANALYZER TOOL GP (1)     1    
( 1 ) Either emissions analyzer may be used. Illustration 1 is a diagram of the systems main components.
Illustration 1 g01456978
Diagram of the system for the air/fuel ratio controlTo accurately control the air/fuel ratio, the ECM depends on the following parameters that are programmed via the "Configuration" screen of Cat ET. For details on these parameters, refer to Systems Operation/Testing and Adjusting, "Electronic Control System Parameters".
"Fuel Quality"
"Gas Specific Gravity"
"Fuel Specific Heat Ratio"
"Emissions Feedback Mode Configuration"