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1991 Ford E-150 Econoline Custom 5.0L Excessive Emissions
The van came to me with a rough idle and poor power when passing complaint. There were no on-demand codes, continuous codes were 41 O2 not switching, 31 & 32 egr system. Engine running code 12 idle problem. Testing revealed a rich mixture at all times. Fou...
FIX posted 4/23/1998
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| VIN | 1FTEE14N3M |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Symptoms | Excessive Emissions |
| Occurs | Always |
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Vehicle Data
1991 Ford E-150 Econoline Custom
| VIN | 1FTEE14N3M |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Symptoms | Excessive Emissions |
| Occurs | Always |
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