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1989 Ford LTD Crown Victoria LX 5.0L MIL Lamp on
This car came in with a check engine light on. The codes stored were 41, 91. I replaced the oxygen sensor and EGR with Motorcraft parts. Test drove, light came back on after 15 minutes of driving, on long decel. I checked codes again and it had the same codes....
FIX posted 7/26/2000
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Message Closed w/FIX
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Related Documents & Media 
| VIN | 2FABP74F6K |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi |
| Symptoms | MIL Lamp On |
| Occurs | Hot, on Decel |
Trouble Codes
| 41 | left oxygen sensor-lean |
| 91 | right oxygen sensor-lean |
Message Closed w/FIX
Vehicle Data
1989 Ford LTD Crown Victoria LX
| VIN | 2FABP74F6K |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi |
| Symptoms | MIL Lamp On |
| Occurs | Hot, on Decel |
Trouble Codes
| 41 | left oxygen sensor-lean |
| 91 | right oxygen sensor-lean |
Video