Base Idle Speed

***UPDATED BY TSB # 91-11-011, DATED JULY 1991.

NOTE: Adjustment of idle speed is usually not required. If idle speed is out of specification check and verify the operation of the idle speed control system. Refer to COMPUTERS AND CONTROL SYSTEMS.

1. Precondition the vehicle as follows:
a. Engine coolant temperature greater than 176 degrees F.
b. Lights, electric cooling fan, and all electrical accessories off.
c. Transaxle in neutral or park.
d. Steering wheel in the neutral position.
e. Ignition timing verified correct.
NOTE: A loose crankshaft sprocket (timing belt crank pulley) may cause a loss of power or erratic idle, if these circumstances exist refer to TSB # 91-11-011

Tachometer Check Connector Location:

2. Insert special tool 09273-24000 (or equivalent).
3. Connect a tachometer to the inserted special tool.
4. Run the engine at 2,000 to 3,000 rpm for 5 to 10 seconds.
5. Allow the engine to idle for 2 minutes.
6. Verify Idle Speed.

Curb Idle Speed
700 +/- 100 rpm.