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.
2007 Lexus RX 350 AWDFACTORY OEM SERVICE PROCEDURE
Typical Malfunction Thresholds
TYPICAL MALFUNCTION THRESHOLDS
| Either of following conditions is met | Condition 1 or 2 |
| 1. Frequency that both of the following conditions (a) and (b) met | 5 times or more |
| (a) Engine RPM - target engine RPM | Below -100 RPM, or 150 RPM or more |
| (b) Vehicle condition | Stop after vehicle was driven by 6.25 mph (10.06 km/h) or more |
| 2. Frequency that both of the following conditions (a) and (b) are met | Once |
| (a) Engine RPM - target engine RPM | Below -100 RPM, or 150 RPM or more |
| (b) IAC flow rate learning valve | 1.3 L/sec. or less, or 8.5 L/sec. 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.