
2001 Ford F-350 Super Duty Lariat 7.3L Thumping Noise
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...
FIX posted 2/13/2009
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Message Closed w/FIX
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VIN | 1FTSX31F81 |
Engine | 7.3 L / 8 cyl / DIESEL |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Thumping Noise |
Occurs | Cold |
Trouble Codes
P0476 | Exhaust Backpressure Regulator Malfunction (Self Test) |
P0478 | High Voltage On Engine Brake Driver |
P1248 | Accelerator Pedal Position Sensor Correlation |
Message Closed w/FIX
Vehicle Data
2001 Ford F-350 Super Duty Lariat
VIN | 1FTSX31F81 |
Engine | 7.3 L / 8 cyl / DIESEL |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Thumping Noise |
Occurs | Cold |
Trouble Codes
P0476 | Exhaust Backpressure Regulator Malfunction (Self Test) |
P0478 | High Voltage On Engine Brake Driver |
P1248 | Accelerator Pedal Position Sensor Correlation |