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1990 Ford F-250 Custom 5.0L Excessive Emissions, No Start, Hesitation, Cuts out, Stall, INTERMITTANT RICH
intermittantly vehicle goes rich and stalls upon acceleration - occurs hot or cold. when monitored with simutech (no dcl available on this vehicle), observed that pulse width increases to as much as 22ms, and black smoke pours from exhaust. air temp sensor and...
FIX posted 7/18/2001
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Message Closed w/FIX
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Related Documents & Media | VIN | 1FTEF25N3L |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / MULTI-PORT INJECTION |
| Emissions | EEC-IV, CA. EMISSIONS |
| Symptoms | Excessive Emissions, No Start, Hesitation, Cuts Out, Stall, Intermittant Rich |
| Occurs | Cold, Hot, on Accel, Idle, After a Hot Soak, Intermittently |
Trouble Codes
| 31 | evp sensor |
Message Closed w/FIX
Vehicle Data
1990 Ford F-250 Custom
| VIN | 1FTEF25N3L |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / MULTI-PORT INJECTION |
| Emissions | EEC-IV, CA. EMISSIONS |
| Symptoms | Excessive Emissions, No Start, Hesitation, Cuts Out, Stall, Intermittant Rich |
| Occurs | Cold, Hot, on Accel, Idle, After a Hot Soak, Intermittently |
Trouble Codes
| 31 | evp sensor |
Video