Cherokee 2WD L6-242 4.0L VIN M FI (1987)
9.
Turn the rpm trim adjustment screw (F) counter clockwise two (2) full turns.
10.
Start the engine.
11.
Observe the tachometer and adjust the idle speed to 750 rpm +/- 50 by adjusting the rpm trim adjusting screw. Do not set throttle stop (TRC)
screw.
12.
Turn the ignition switch OFF.
13.
Seal the adjustment screw cavity (G) with RTV sealant (or equivalent).
14.
Connect the stepper motor and throttle position sensor (TPS) wire harness connectors.
15.
Disconnect the tachometer from the diagnostic connectors.
SRT/TIC INFORMATION
OPERATION DESCRIPTION
OPERATION
TIME
TIC
NUMBER
CO.INJECTION SYSTEM - TEST
1238
0.3
*
WITH MS 1700 TESTER
CO. IDLE SPEED ENGINE - ADJUST
0104
0.4
1-822
*Use the causal part to identify the TIC.
