6E1-94 DRIVEABILITY AND EMISSIONS
Idle CO Concentration Check and
adjustment
1. Before starting adjusting work, check and confirm the
following conditions.
Normal engine operating temperature.
All accessories switched off.
Throttle valve closed.
Transmission in neutral.
2. Before starting adjusting work, step on accelerator pedal
a few times and do racing up to 3000rpm.
3. After taking foot off accelerator pedal, short out pins #5 +
#6 of ALDL Connector(Fixed under center console panel)
short.
(When you do this, Check Engine Lamp will blink, and
engine rpm will rise to 100 to 1600rpm)
4. In this condition, connect CO meter with Tail Pig and
check CO value(%).
5. If CO value is within the range shown below, leave as it
is. If it is out of range, adjust I t by turning the screw of
CO Adjuster.
(After adjusting, confirm that CO value becomes stable.)
Note: After adjusting work is finished, apply the liquid gasket to
the CO adjuster screw. And after that, all conditions to
restore to former state.
Regulated range of CO concentration value:
1.0
+0.2
- 0.5
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