Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Acura Integra GS-R, 4D SedanFACTORY OEM SERVICE PROCEDURE
Integra (A/T)
- Remove intake air duct from throttle body. Ensure engine coolant temperature is less than 86°F (30°C). Start engine and allow to idle. Place finger over lower port in throttle body. See Fig 1. If airflow is present at lower port in throttle body, go to next step. If airflow is not present, replace fast idle thermo valve and recheck for symptom.
- Start engine and run at 3000 RPM, with no loads and transmission in Park or Neutral, until radiator fan comes on. Allow engine to idle. Fast idle thermo valve should be completely closed. Place finger over lower port in throttle body. If vacuum is felt or engine idle speed decreases, fast idle thermo valve is leaking. Ensure engine coolant level is correct and cooling system is free of air. If okay, replace fast idle thermo valve and recheck for symptom.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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