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2001 Ford F-350 Super Duty Lariat 7.3L Thumping Noise
Posted to Ford Driveability on 1/28/2009 8 Replies

help not a dsl. tech. customer complains of a thumping noise from exhaust when the vehicle is first warming up. only happens when first started cold. I have replaced ebp sensor and tube both were cloged also replaced waste gate solinoid resistance was out of t...

8 Replies Received (View Replies)

  Related Documents & Media  2001 Ford F-350 Super Duty Lariat

 
Message Closed w/FIX

car Vehicle Data

2001 Ford F-350 Super Duty Lariat

VIN 1FTSX31F81
Engine7.3 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsThumping Noise
OccursCold

Trouble Codes

P0476Exhaust Backpressure Regulator Malfunction (Self Test)
P0478High Voltage On Engine Brake Driver
P1248Accelerator Pedal Position Sensor Correlation
Message Closed w/FIX

car Vehicle Data

2001 Ford F-350 Super Duty Lariat

VIN 1FTSX31F81
Engine7.3 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsThumping Noise
OccursCold

Trouble Codes

P0476Exhaust Backpressure Regulator Malfunction (Self Test)
P0478High Voltage On Engine Brake Driver
P1248Accelerator Pedal Position Sensor Correlation