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.
2021 Honda Clarity Plug-In HybridFACTORY OEM SERVICE PROCEDURE
Fuel & Emissions
| Item | Measurement | Qualification | Standard or New | Service Limit |
|---|---|---|---|---|
| Fuel pressure regulator | Pressure with fuel pressure gauge connected | 320-370 kPa (3.26-3.77 kgf/cm 2, 46.4-53.7 psi) | - | |
| Engine idle | Idle speed without load | In N or P | 1,200 +/- 50 rpm | |
| Idle speed with high electrical load | In N or P | 1,200 +/- 50 rpm | ||
| Idle CO | 0.1 % max. | |||
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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