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.
2008 Honda S2000 BaseFACTORY OEM SERVICE PROCEDURE
Carbon Accumulation Check
- Connect the HDS to the data link connector (DLC) (A) located behind under the driver's side of the front console.
- Turn the ignition switch ON (II).
- Make sure the HDS communicates with the vehicle and the ECM. If it doesn't, go to DLC CIRCUIT TROUBLESHOOTING .
- Start the engine. Hold the engine speed at 3,000 rpm without load (in neutral) until the radiator fan comes on, then let it idle.
- Check the REL TP SENSOR in the DATA LIST the HDS. The reading should be below 2.46 deg. If it is not, clean the throttle body (see THROTTLE BODY CLEANING ).
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.