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1999 Ford F-150 XL 4.2L Misfire, MIL Lamp on
Hi there, Real head scratcher here. This vehicle misfires under light load only when the EGR is activated. It is always #5 cylinder. I have switched #4 & #5 injectors, spark plugs, ignition wires, problem stays in #5 cyl. Compression test shows 175 psi in that...
FIX posted 5/28/2005
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Message Closed w/FIX
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30 Replies Received
30 Replies Received
Related Documents & Media | VIN | 2FTZX1728X |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Under Load |
Message Closed w/FIX
Vehicle Data
1999 Ford F-150 XL
| VIN | 2FTZX1728X |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Under Load |
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