1992 Lexus ES300 3.0L Poor Idle Quality, MIL Lamp on
Hello everyone. We got this lexus that has poor idle quality, its idling too low when it is cold, when it is in drive or the A/C is on. Once the car gets to normal operating temperature and your in the park position with the A/C off it idles like its supposed ...
FIX posted 12/21/2015
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Vehicle Data1992 Lexus ES300
Trouble Codes
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Vehicle Data
1992 Lexus ES300
VIN | JT8VK13T9N |
Engine | 3.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD1 |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Under Load, Idle |
Trouble Codes
21 | Left main oxygen sensor circuit |