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2004 Mercury Grand Marquis LS 4.6L Surge
Cruising at 50 mph this car surges after going into overdrive. Acts like downshifting or possibly in and out of overdrive. No codes. Fuel trims are normal. We replaced spark plugs and #7 & #8 coils because mode 6 data showed misfire counts on those cylinders. ...
Summary posted 8/20/2009
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Related Documents & Media | VIN | 2MEFM75W64 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Surge |
| Occurs | Cruise |
Message Closed w/Summary
Vehicle Data
2004 Mercury Grand Marquis LS
| VIN | 2MEFM75W64 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Surge |
| Occurs | Cruise |
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