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1993 Ford Crown Victoria 4.6L Poor Idle Quality
This car will run lean when cold. After it goes into closed loop, all is fine. O2s read lean, if we richen it up with propane it runs fine. Fuel pressure and flow is normal. We have tried a new fuel filter, Mass Air flow, smoked for vacuum leaks. Any ideas?
FIX posted 5/9/2001
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Related Documents & Media 
| VIN | 2MELM74W8P |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / MPI |
| Emissions | Fed |
| Symptoms | Poor Idle Quality |
| Occurs | Cold |
Trouble Codes
| 172 | Lean Bank 1 |
| 176 | Lean Bank 2 |
| 332 | EGR Flow |
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Vehicle Data
1993 Ford Crown Victoria
| VIN | 2MELM74W8P |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / MPI |
| Emissions | Fed |
| Symptoms | Poor Idle Quality |
| Occurs | Cold |
Trouble Codes
| 172 | Lean Bank 1 |
| 176 | Lean Bank 2 |
| 332 | EGR Flow |
Video