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1993 Mercury Grand Marquis LS 4.6L Hesitation, Surge, Stall
This vehicle runs poorly during warm up. Propane enrichment solves the problem. All sensors check normal with the exception of the MAF which checks low on voltage but not out of specs. No Codes. Every other system seems to be normal. Car hesitates and surges u...
FIX posted 2/20/1998
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| VIN | 2MELM75W7P |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / efi |
| Emissions | US FED |
| Symptoms | Hesitation, Surge, Stall |
| Occurs | Cold |
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Vehicle Data
1993 Mercury Grand Marquis LS
| VIN | 2MELM75W7P |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / efi |
| Emissions | US FED |
| Symptoms | Hesitation, Surge, Stall |
| Occurs | Cold |
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