Cold Fast Idle Too High
WARNING: This page is about a different variant/trim than selected.
- Check Idle Air Control (IAC) valve. See DTC P1508 or P1519 in the TESTS W/CODES - EXCEPT GS-R article.
- Check fast idle thermo valve. See procedures in the SYSTEM/COMPONENT TESTS - EXCEPT GS-R article.
- Check idle speed adjustment. See procedures in the ADJUSTMENTS - EXCEPT GS-R article.
- Check throttle cable and then throttle body for sticking and binding.