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1993 Ford F-250 XL 4.9L Excessive Emissions
this truck runs rich on midship tank,fuel pressure at rail is 85 psi on midship tank which is why running rich. go to rear tank and fuel pressure is 25 psi, truck runs lean and fails volume test. ok. thinking valve stuck in midship tank and bad pump in rear ta...
FIX posted 12/11/1999
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| VIN | 1FTHF25Y6P |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi |
| Emissions | usfed |
| Symptoms | Excessive Emissions |
| Occurs | Always |
| Misc. | 4WD Dual Tanks |
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Vehicle Data
1993 Ford F-250 XL
| VIN | 1FTHF25Y6P |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi |
| Emissions | usfed |
| Symptoms | Excessive Emissions |
| Occurs | Always |
| Misc. | 4WD Dual Tanks |
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