Tracker 4x4 L4-1590cc 1.6L (1993)
Idle Speed: By Symptom
Engine - Revised Idle Speed Adjustment
Number: 93-117-6E
Section 6E
Date: MARCH 1993
Corporate Bulletin No.: 336502
ASE No.: AI-AB
Subject:
IDLE SPEED ADJUSTMENT
Model and Year:
1993 GEO TRACKER
SERVICE UPDATE
The information contained in this bulletin amends steps 5 and 6 on page 6E2-C2-9 under "Idle Speed Adjustment" found in Driveability and Emissions
1.6L engine RPO LS5 (VIN U) (Section 6E2-C2) of the 1993 Geo Tracker Service Manual (ST377-93).
5.
Adjust idle speed and/or IAC duty (ISC duty) as necessary. Correct idle speed by turning the idle speed adjusting screw "IN" to decrease or
"OUT" to increase idle speed. Correct IAC duty (ISC duty) by turning the idle speed adjusting screw "IN" to increase or "OUT' to decrease IAC
duty (ISC duty).
6.
Turn A/C switch and blower speed selector switch ON. Check that the specified idle speed is obtained. If not, check A/C ON signal circuit and
idle air control valve.
