Poor Performance Test

NOTE:
To prevent unnecessary diagnostic time and wrong test results, the Testing For Spark At Coil test should be performed prior to this test.

PROCEDURE

WARNING: APPLY PARKING BRAKE AND/OR BLOCK WHEELS BEFORE PERFORMING IDLE CHECK/ADJUSTMENT OR ANY TEST WITH AN OPERATING ENGINE.


^ Check and adjust basic timing. For Ignition timing specifications, refer to the Specifications section. Also see COMPUTERS AND CONTROL SYSTEMS.