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1997 Mercury Grand Marquis GS 4.6L Detonation/Pinging
Hello group. I have a heavy detonation/pinging problem with this 97 mercury Grand Marquis. obdII, ck. codes. KOEO - no codes, KOER - no codes, no memory codes either. scan data looks normal. baro at 157 - 158 normal at sea level. LT fuel trims were off a bit w...
FIX posted 9/26/2001
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Message Closed w/FIX
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7 Replies Received
7 Replies Received
Related Documents & Media | VIN | 2MELM74W2V |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Detonation/Pinging |
| Occurs | Hot, Under Load, on Accel, Cruise |
Message Closed w/FIX
Vehicle Data
1997 Mercury Grand Marquis GS
| VIN | 2MELM74W2V |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Detonation/Pinging |
| Occurs | Hot, Under Load, on Accel, Cruise |
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