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1999 Ford F-350 Super Duty XL 6.8L Hesitation, Surge, Misfire
Posted to Ford Driveability on 10/5/2004 16 Replies

Hello, I have a po171,po300, and a po401. The dpfe was not showing the proper voltage so I replaced it ,now working and no more 401. This truck pings uphill and runs very badly,(feels like miss) but runs perfect with no load. problem occurs only under med to h...

16 Replies Received (View Replies)

  Related Documents & Media  1999 Ford F-350 Super Duty XL

 
Message Closed w/Summary

car Vehicle Data

1999 Ford F-350 Super Duty XL

VIN 1FTWW33SOX
Engine6.8 L / 10 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation, Surge, Misfire
OccursHot, Under Load

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0401EGR System Insufficient Flow Detected
Message Closed w/Summary

car Vehicle Data

1999 Ford F-350 Super Duty XL

VIN 1FTWW33SOX
Engine6.8 L / 10 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation, Surge, Misfire
OccursHot, Under Load

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0401EGR System Insufficient Flow Detected