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2019 Alfa Romeo Giulia Quadrifoglio 2.9L Poor Idle Quality, Misfire, MIL Lamp on
after sitting for 6 hours or more on a cold start it has a misfire runs rough for approximately 30 seconds. then it clears up. we replaced spark plugs twice thinking it may be plugs. misfire changes from different cylinders this is codes in it last time we... 
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Related Documents & Media | VIN | ZARFAMEV8K |
| Engine | 2.9 L / 6 cyl / GAS |
| Trans | 8-speed Automatic (Electronic) |
| Delivery | Fuel Injection / fuel injected |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Cold |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0305 | Cylinder 5 Misfire Detected |
| P0306 | Cylinder 6 Misfire Detected |
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Vehicle Data
2019 Alfa Romeo Giulia Quadrifoglio
| VIN | ZARFAMEV8K |
| Engine | 2.9 L / 6 cyl / GAS |
| Trans | 8-speed Automatic (Electronic) |
| Delivery | Fuel Injection / fuel injected |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Cold |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0305 | Cylinder 5 Misfire Detected |
| P0306 | Cylinder 6 Misfire Detected |
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