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.
2002 Honda Civic SiFACTORY OEM SERVICE PROCEDURE
Throttle Body Removal/Installation
- Remove the intake air duct (A).
- Disconnect the connectors from the IAC valve (B), EVAP canister purge valve (C), MAP sensor (D), and TP sensor (E).
- Disconnect the water bypass hoses (F), and plug the water bypass hoses.
- Disconnect the vacuum hoses (G).
- Remove the throttle cable (H) and the actuator cable (with cruise control) (I).
- Remove the throttle body (J).
- Install the parts in the reverse order of removal with a new gasket (K), then recheck these items:
- Do not adjusting the throttle stop screw (L).
- Do the ECM idle learn procedure after throttle body has been replaced (see ECM IDLE LEARN PROCEDURE ).
- Refill the radiator with engine coolant (see COOLANT REPLACEMENT ).
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.