The names, logos, emblems,
slogans, vehicle model names, and
vehicle body designs appearing in
this manual including, but not limited
to, GM, the GM logo, BUICK, the
BUICK Emblem, and ENCORE are
trad
Air Vents
Turn Signal Lever. See Turn
and Lane-Change Signals. Headlamp High/Low-Beam
Changer
Instrument Cluster
Driver Information Center (DIC)
Display. See Driver Information
Center (DIC)
Special Tools
CH-51450-NVH Oscilloscope Diagnostic Kit (w/NVH)
EL-38792-A Electronic Vibration Analyzer (EVA) 2
EL-38792-25 Inductive Pickup Timing Light
EL-47955 Multi Diagnostic Interface MDI
For equivalent regional tools, refer to Special Tools and Equipment.
Test Description
The numbers be
CAUTION: Do not remove the pigtail from either the heated oxygen sensor
(HO2S) or
the oxygen sensor (O2S). Removing the pigtail or the connector will affect
sensor operation.
Handle the oxygen sensor carefully. Do not drop the HO2S. Keep the inline
electrical connector and the louvered end free of