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2014 Ford F-450 Super Duty XL 6.8L MIL Lamp on
Posted to Ford Driveability on 3/11/2019 11 Replies

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...

11 Replies Received (View Replies)

  Related Documents & Media  2014 Ford F-450 Super Duty XL

 
Message Closed w/FIX

car Vehicle Data

2014 Ford F-450 Super Duty XL

VIN 1FDUF4HY0E
Engine6.8 L / 10 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursUnder Load

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2014 Ford F-450 Super Duty XL

VIN 1FDUF4HY0E
Engine6.8 L / 10 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursUnder Load

Trouble Codes

P0300Multiple Misfire Detected