Disconnect the MAP sensor connector (A).

Remove the MAP sensor (B).
Install the parts in the reverse order of removal with a new O-ring (C).
Breather Line and Suction Line Inspection (Page-1)
Special Tools Required
Fuel Pressure Gauge Attachment Set 07AAJ-S6MA150
Vacuum Pump/Gauge, 0-30 inHg Snap-on YA4000A or equivalent, commercially
available
Vacuum/Pressure Gauge, 0-4 inHg 07 ...
Paint Code
Code
Color
USA models
Canada models
NH-578
Taffeta White
0
0
...
Secondary HO2S Replacement
Special Tools Required
O2 Sensor Wrench Snap-on S6176 or equivalent, commercially available
Disconnect the secondary HO2S connector (A).
Raise the vehicle on a lift.
...