2-25 PERIODIC MAINTENANCE
16. When finished with the O
2
feedback operation, disconnect
the diagnostic harness Black and Red lead wires.
17. If retrying feedback operation , repeat procedure used in
steps “6” and “9” through “16”.
NOTE:
Repeat the O
2
feedback operation with a new O
2
sensor if :
• The total feedback operation finished without returning the
throttle to a fully closing position.
• The total feedback operation failed repeatedly.
B
The O
2
sensor is only used when performing the O
2
feedback operation.
After O
2
feedback operation is completed the original
plug must be installed in the oil pump case.
18. Assembly is reverse order of disassembly.
Red
Black
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