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1992 Mercury Grand Marquis 4.6L Pinging
Hello Group, Have you had a head scracher latly. We have double checked timing with and without a new Ign. Module without repair. This car pings underload at all times. We have checked under the intake throttlebody for pluged passages and they are clean. S...
FIX posted 12/30/1999
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Message Closed w/FIX
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| VIN | EMECM75W8N |
| Engine | 4.6 L / 8 cyl |
| Emissions | Cal Emission |
| Symptoms | Pinging |
| Occurs | Under Load |
| Misc. | Sedan 4Dr |
Message Closed w/FIX
Vehicle Data
1992 Mercury Grand Marquis
| VIN | EMECM75W8N |
| Engine | 4.6 L / 8 cyl |
| Emissions | Cal Emission |
| Symptoms | Pinging |
| Occurs | Under Load |
| Misc. | Sedan 4Dr |