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1999 Lexus RX300 3.0L MIL Lamp on
Has code for bank1 lean but both banks lean. I know Toyota and Lexus have knock sensor and pigtail problems. First looking at data short trims are about 1 to 3 %. Long trims are high 40 to 50 %. When first turn key on engine off longs are to about 40%. Did...
FIX posted 9/27/2025
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Message Closed w/FIX
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10 Replies Received
10 Replies Received
Related Documents & Media | VIN | JT6HF10U7X |
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0325 | Knock Sensor 1 Circuit Malfunction |
| P0330 | Knock Sensor 2 Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
1999 Lexus RX300
| VIN | JT6HF10U7X |
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0325 | Knock Sensor 1 Circuit Malfunction |
| P0330 | Knock Sensor 2 Circuit Malfunction |
Video