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1988 Ford F-150 Custom 5.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy
Original complaint was big stumble on accel, no power. Ran Target Trainning Worksheet; all powers and grounds are ok, PIP signal on pins 56-46=33°Dwell should be 48-52°Dwell, Vref is 4.92v, CTS is 1.13v(that as hot as it would get), TPS is .99v and sweeps ...
FIX posted 2/10/2000
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| VIN | 1FTEX15N2J |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US FED |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy |
| Occurs | Always, Hot, Under Load, on Accel |
| Misc. | 2X4 Super Cab Cal# 7-54U-R11 |
Trouble Codes
| 29 | VSS signal missing while driving. continous |
| 32 | EGR/EVP postion sensor signal is below .29v continous |
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Vehicle Data
1988 Ford F-150 Custom
| VIN | 1FTEX15N2J |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US FED |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy |
| Occurs | Always, Hot, Under Load, on Accel |
| Misc. | 2X4 Super Cab Cal# 7-54U-R11 |
Trouble Codes
| 29 | VSS signal missing while driving. continous |
| 32 | EGR/EVP postion sensor signal is below .29v continous |
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