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, 2D CoupeFACTORY OEM SERVICE PROCEDURE
Fuel Injection Air (FIA) Control Valve (3.2TL)
- Ensure that cooling system temperature is below 104°F (40°C). Start engine and allow it to idle. Remove vacuum hose from inlet pipe and connect vacuum gauge. See Fig 1. Raise and lower engine RPM. If vacuum reading fluctuates with engine RPM, go to next step. If vacuum reading does not fluctuate, check for misrouted, leaking, broken or clogged FIA system vacuum lines. Also check for cracked or damaged FIA control valve.
- 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. Raise and lower engine RPM. If vacuum reading fluctuates with engine RPM, check for misrouted, leaking, broken or clogged FIA system vacuum lines. Also check for cracked or damaged FIA control valve.
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.