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FUEL SYSTEM (DFI) 3-83
Oxygen Sensor - not activated (Service Code 33, Equipped Models)
•
Install the suitable plugs [A] on the fitting of the air suction
valve covers, and shut off the secondary air.
•
Remove the fuel hose (see Fuel Hose Replacement in the
Periodic Maintenance chapter).
•
Connect the following parts temporary.
Fuel Pump Lead Connector [A]
Extension Tube [B]
Air Cleaner Housing (see Air Cleaner Housing Installa-
tion)
Special Tool - Extension Tube: 57001-1578
•
Warm up the engine thoroughly until the radiator fan
starts.
•
Measure the output voltage with the connector joined.
Output Voltage (with Plugs, Rich)
Standard: DC 0.7 V or more
•
Turn the ignition switch off.
•
Remove the air cleaner housing (see Air Cleaner Housing
Removal).
•
Remove the plugs from the fittings [A].
WARNING
The engine gets extremely hot during normal oper-
ation and can cause serious burns. Never touch a
hot engine.
•
Install the air cleaner housing temporary (see Air Cleaner
Housing Installation).
•
Start the engine, and let it idle.
•
Measure the output voltage with the connector joined.
Output Voltage (without Plugs, Lean)
Standard: DC 0.2 V or less
•
Turn the ignition switch off.
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