Symptom Checks

Perform the following:

• Perform KOEO Self-Test. See step  14 of DIAGNOSTIC SUB-ROUTINES.
• If continuous memory Diagnostic Trouble Code (11/111-10-11/111) was NOT displayed during Key On Engine Off (KOEO) Self-Test, perform appropriate CIRCUIT TEST in appropriate TESTS W/CODES article in the ENGINE PERFORMANCE Section.
• Check ignition system. On models with Distributor Ignition (DI), perform CIRCUIT TEST AA. Perform CIRCUIT TEST AC. See appropriate TESTS W/CODES article in the ENGINE PERFORMANCE Section.
• Check for restricted exhaust system.
• Check engine mechanical condition. Check compression, camshaft, valve train components, etc.