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.
1997 Toyota RAV4 2D Utility, AWDFACTORY OEM SERVICE PROCEDURE
Throttle Opener
- Warm engine to normal operating temperature. Ensure idle speed is within specification. See IDLE SPEED & MIXTURE in ADJUSTMENTS article.
- Shut engine off. Disconnect and plug vacuum hose at throttle opener. Start engine. Maintain engine speed at 2500 RPM. Release throttle and note engine speed. Engine speed should be within specification. See THROTTLE OPENER SPECIFICATIONS table.
- If engine speed is not within specification, rotate throttle opener adjusting screw until correct engine speed is obtained. See Fig 1. Reinstall vacuum hose on throttle opener.
THROTTLE OPENER SPECIFICATIONS (1)
| Application | (1) RPM | ||
|---|---|---|---|
| RAV4 | 1300-1500 | ||
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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.
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