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1999 Lexus LS400 4.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
This vehicle has me going in circles. Just finished major 90k service. During warm up, vehicle runs just fine. At operating temperature, idle will occasionally surge down accompanied by slightly lower vacuum readings, 18 or 19 compared to the steady 20 at idle...
FIX posted 3/16/2006
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Message Closed w/FIX
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Related Documents & Media | VIN | JT8BH28F0X |
| Engine | 4.0 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, MIL Lamp On |
| Occurs | Hot |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
1999 Lexus LS400
| VIN | JT8BH28F0X |
| Engine | 4.0 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, MIL Lamp On |
| Occurs | Hot |
Trouble Codes
| P0300 | Multiple Misfire Detected |
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