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1998 Mercury Grand Marquis LS 4.6L Detonation/ Pings
Hi again techs! This Grand Marquis has a bad pinging/detonation problem. Accelerating from a dead stop will do it at just the right amount of throttle. Cruising on highway, if you hold the throttle just right it rattles like crazy. Will even do it, loading eng...
Summary posted 10/16/2007
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12 Replies Received
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Related Documents & Media | VIN | 2MEFM75W3W |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Detonation/ Pings |
| Occurs | Under Load, on Accel |
Message Closed w/Summary
Vehicle Data
1998 Mercury Grand Marquis LS
| VIN | 2MEFM75W3W |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Detonation/ Pings |
| Occurs | Under Load, on Accel |
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