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 Toyota PriusFACTORY OEM SERVICE PROCEDURE
Throttle Body: Tacoma
- Check that throttle linkage moves freely at throttle body. To check vacuum supply at throttle body, start engine and allow engine to idle. Note vacuum port location on throttle body. See Fig 1.
- Check that vacuum and no vacuum exist at specified vacuum ports on throttle body with engine idling and with engine at more than idle. See THROTTLE BODY VACUUM SUPPLY table. Repair or replace components if vacuum supply is not as designated.
THROTTLE BODY VACUUM SUPPLY
| Vacuum Port | Engine Idling | Engine At More Than Idle | ||
|---|---|---|---|---|
| E | No Vacuum | (1) Vacuum | ||
| P | Vacuum | (1) Vacuum | ||
| R | No Vacuum | (1) Vacuum | ||
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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.