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1984 Mercury Grand Marquis 5.0L Poor Idle Quality, Hesitation, Stall
The problem with this vehicle is that it will intermittently stumble, run rough, and stall (sometimes) at idle. Off-idle will sometimes have a hesitation and roughness as well. Monitoring the injector p/w shows that there are intermittent spikes as high as...
FIX posted 1/19/1999
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| VIN | 1MEBP93F2E |
| Engine | 5.0 L / 8 cyl |
| Emissions | Federal |
| Symptoms | Poor Idle Quality, Hesitation, Stall |
| Occurs | On Decel, Idle, Intermittently |
Trouble Codes
| 22 | MAP/Baro out of range |
| 41 | EGO indicates system lean |
| 44 | Thermactor Air system not working |
| 63 | TPS too low |
Message Closed w/FIX
Vehicle Data
1984 Mercury Grand Marquis
| VIN | 1MEBP93F2E |
| Engine | 5.0 L / 8 cyl |
| Emissions | Federal |
| Symptoms | Poor Idle Quality, Hesitation, Stall |
| Occurs | On Decel, Idle, Intermittently |
Trouble Codes
| 22 | MAP/Baro out of range |
| 41 | EGO indicates system lean |
| 44 | Thermactor Air system not working |
| 63 | TPS too low |
Video