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1989 Mercury Grand Marquis 5.0L Poor Idle Quality, Cuts out, Stall, Poor Fuel Economy
This car will die and/or stall when turning at slow speeds. Especially when the motor is warm. It wont do this when it is cold. After it warms up and in gear it will stall/die when turning from a stop,or into a parking spot. The fuel system has fuel/motor vac ...
Summary posted 5/30/2007
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12 Replies Received
12 Replies Received
| VIN | [No VIN Available] |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / SEFI |
| Emissions | US FED emissons |
| Symptoms | Poor Idle Quality, Cuts Out, Stall, Poor Fuel Economy |
| Occurs | Hot, on Decel, Turning, Idle |
| Misc. | Sedan |
Trouble Codes
| 46 | thermactor air not bypassed during self test |
Message Closed w/Summary
Vehicle Data
1989 Mercury Grand Marquis
| VIN | [No VIN Available] |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / SEFI |
| Emissions | US FED emissons |
| Symptoms | Poor Idle Quality, Cuts Out, Stall, Poor Fuel Economy |
| Occurs | Hot, on Decel, Turning, Idle |
| Misc. | Sedan |
Trouble Codes
| 46 | thermactor air not bypassed during self test |
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