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1991 Ford F-150 Custom 4.9L MIL Lamp on
This vehicle is a bit weird. It runs fine, but will set that code 179 right after you begin moving and then let off the throttle to slow down. Then the light goes out but may come back on another time or two. After the engine begins to warm up just a little bi...
FIX posted 11/10/2000
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Message Closed w/FIX
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| VIN | 2FTDF15Y6M |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Cold |
Trouble Codes
| 179 | Rich limit reached |
Message Closed w/FIX
Vehicle Data
1991 Ford F-150 Custom
| VIN | 2FTDF15Y6M |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Cold |
Trouble Codes
| 179 | Rich limit reached |
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