|
1991 Mercury Grand Marquis LS 5.0L Misfire
This vehicle starts missing on light load conditions between 20mph and 30mph and at cruising speed around 52mph, replaced EGR valve, sensor and vacuum regulator. Did not fix the problem, coolant sensor, map sensor, tps and air charge sensor ok, no codes O2 sen...
FIX posted 5/15/2000
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle
|
Message Closed w/FIX
|
Related Documents & Media 
| VIN | 2MECM75FOM |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US |
| Symptoms | Misfire |
| Occurs | Under Load |
| Misc. | New Jasper Engine |
Message Closed w/FIX
Vehicle Data
1991 Mercury Grand Marquis LS
| VIN | 2MECM75FOM |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US |
| Symptoms | Misfire |
| Occurs | Under Load |
| Misc. | New Jasper Engine |
Video