Soon After Starting (Aerio)

Faulty fuel injector(s). See B-1: FUEL INJECTOR CIRCUIT INSPECTION under CIRCUIT TESTS in BASIC DIAGNOSTIC PROCEDURES article.
Fuel pressure out of specification. See FUEL PRESSURE under FUEL SYSTEM in SYSTEM & COMPONENT TESTING article.
Idle air control system. See B-5: IDLE AIR CONTROL VALVE SYSTEM CHECK under CIRCUIT TESTS in BASIC DIAGNOSTIC PROCEDURES article.
Check for low engine compression. See MECHANICAL INSPECTION in BASIC DIAGNOSTIC PROCEDURES article.
With A/C on. Check A/C signal circuit. See A/C SIGNALS CIRCUIT CHECK under MISCELLANEOUS CONTROLS in SYSTEM & COMPONENT TESTING article.
When steering wheel is turned. Check power steering pressure switch. See POWER STEERING PRESSURE SWITCH CIRCUIT CHECK under MISCELLANEOUS CONTROLS in SYSTEM & COMPONENT TESTING article.