Idle Air Control (IAC) Valve

Perform self-diagnostics in appropriate TESTS W/CODES article. See following list.

• 2.0L, see: TESTS W/CODES - TRIONIC SYSTEM .
• 2.3L, see: TESTS W/CODES - MOTRONIC 4.1 & 5.2 SYSTEM .
• 2.5L, see: TESTS W/CODES - MOTRONIC 4.1 & 5.2 SYSTEM .