Possible Cause & Correction

Check the following items:

• Check for binding throttle linkage.
• Check for leaking injectors on EFI vehicles. On PFI vehicles, perform INJECTOR BALANCE TEST located in the article SYSTEM/COMPONENT TESTS .
• Check IAC (EFI) system. See DIAGNOSTIC AIDS in CODE 35 chart in the appropriate TESTS W/CODES article.
• Check ILC (carb.) for proper operation. Testing is located in SYSTEM/COMPONENT TESTS article.
• Check engine for overheating.