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1999 Infiniti Q45 4.1L Misfire
Engine missfires at idle only, can feel it twitching several times a minute, not a dead miss, it is very intermittent. Happens less when engine is first started or after it is fully warmed up. Replaced ignition coil and #6 plug, still missfiring. Replaced coil...
Summary posted 1/9/2014
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Related Documents & Media | VIN | JNKBY31A7X |
| Engine | 4.1 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Idle |
Trouble Codes
| P0306 | Cylinder 6 Misfire Detected |
| P0325 | Knock Sensor 1 Circuit Malfunction |
| P0330 | Knock Sensor 2 Circuit Malfunction |
Message Closed w/Summary
Vehicle Data
1999 Infiniti Q45
| VIN | JNKBY31A7X |
| Engine | 4.1 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Idle |
Trouble Codes
| P0306 | Cylinder 6 Misfire Detected |
| P0325 | Knock Sensor 1 Circuit Malfunction |
| P0330 | Knock Sensor 2 Circuit Malfunction |
Video