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 Insight EXFACTORY OEM SERVICE PROCEDURE

Malfunction Threshold

One of the conditions in this table is met for at least 250 milliseconds* (500 milliseconds**).

Throttle valve target position	Difference between throttle valve target position and actual throttle valve position
2 °	4 ° or more
6 °	5.4 ° or more
10 °	5.7 ° or more
15 °	6 ° or more
90 °	6 ° or more

Factory Service Tools

Use the Manual With the Right Hardware

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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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