Cold Fast Idle Too Low
- Check Idle Air Control (IAC) valve. See DTC P1508 or P1519 in TESTS W/CODES articles below:
- For Integra, see TESTS W/CODES article.
- For 2.3CL, see TESTS W/CODES article.
- For 2.5CL, see TESTS W/CODES article.
- For 3.0CL, see TESTS W/CODES article.
- For 3.2TL, see TESTS W/CODES article.
- For 3.5RL, see TESTS W/CODES article.
- Check fast idle thermo valve. See VACUUM DIAGRAMS article.
- Check idle speed adjustment. See ADJUSTMENTS article.
- Check Intake Air Temperature (IAT) sensor. See DTC P0111, P0112 or P0113 in TESTS W/CODES articles below:
- For Integra, see TESTS W/CODES article.
- For 2.3CL, see TESTS W/CODES article.
- For 2.5CL, see TESTS W/CODES article.
- For 3.0CL, see TESTS W/CODES article.
- For 3.2TL, see TESTS W/CODES article.
- For 3.5RL, see TESTS W/CODES article.
- Check air cleaner.