2014 Ford F-450 Super Duty XL 6.8L MIL Lamp on
Vehicle came in with cel on, flashes intermittently, lacks power when cel was flashing. Had dtc p0300 and p0309. Plugs were worn (.070-.080" gap). Replaced plugs, boots and #9 coil and cleared codes. During road test, under load on a steep hill 4500 rpm an...
FIX posted 3/12/2019
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Vehicle Data2014 Ford F-450 Super Duty XL
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2014 Ford F-450 Super Duty XL
VIN | 1FDUF4HY0E |
Engine | 6.8 L / 10 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Under Load |
Trouble Codes
P0300 | Multiple Misfire Detected |