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1993 Ford F-150 XL 5.0L Poor Idle Quality, MIL Lamp on
This truck will go into spells of stalling at idle hard restart. I scoped o2 sensor while adding propane and inducing vac leaks. It responds fast. fuel pressure in spec. Code 41 indicates lean however it seems to be rich on restart. Pressure reg not leaking. I...
FIX posted 5/5/1999
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| VIN | 1FTEF14NXP |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| 41 | No EGO switch stored as keep alive |
Message Closed w/FIX
Vehicle Data
1993 Ford F-150 XL
| VIN | 1FTEF14NXP |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| 41 | No EGO switch stored as keep alive |
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