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1992 Mercury Grand Marquis GS 4.6L Hesitation, Stall, Misfire
I Need A Little Help From You Ford People. This Merc Has Codes For O2 Sensers And Maf Senser. Have Replaced Both O2 Sensers With Motorcraft And Cleaned MAF Senser But Codes Keep Returning. Customer States Car Misses And Dyes At Idel At Times. I Have Not Had th...
Summary posted 8/22/2001
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Related Documents & Media | VIN | 2MECM74W4N |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / sefi |
| Emissions | obd1 |
| Symptoms | Hesitation, Stall, Misfire |
| Occurs | Intermittently |
Trouble Codes
| P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage |
| P0172 | Fuel System Too Rich (Bank 1) |
| P0173 | Fuel Trim Lean Or Rich (Bank 2) |
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Vehicle Data
1992 Mercury Grand Marquis GS
| VIN | 2MECM74W4N |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / sefi |
| Emissions | obd1 |
| Symptoms | Hesitation, Stall, Misfire |
| Occurs | Intermittently |
Trouble Codes
| P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage |
| P0172 | Fuel System Too Rich (Bank 1) |
| P0173 | Fuel Trim Lean Or Rich (Bank 2) |
Video