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1990 Mercury Grand Marquis LS 5.0L Misfire
Hi [...] EEC-1V system driving me [...] came in for poor power,loosing speed [...] drove to discover an engine [...] drops a cylinder under load[light or heavy].When lockup occurs,misfire is enough to cause [...] only pick the cylinder back up if you ease up o...
FIX posted 9/27/2010
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Message Closed w/FIX
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17 Replies Received
17 Replies Received
Related Documents & Media | VIN | 2MECM74F6L |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | Fuel Injection / sefi |
| Emissions | EEC-1V |
| Symptoms | Misfire |
| Occurs | Under Load |
Trouble Codes
| 34 | egr voltage greater than expected at idle |
Message Closed w/FIX
Vehicle Data
1990 Mercury Grand Marquis LS
| VIN | 2MECM74F6L |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | Fuel Injection / sefi |
| Emissions | EEC-1V |
| Symptoms | Misfire |
| Occurs | Under Load |
Trouble Codes
| 34 | egr voltage greater than expected at idle |
Video