My 01' 7.3 powerstroke will "burp" when accelerating. When accelerating there is a sudden lose of power for a split second. There is no RPM changes and no signs of the vehicle losing complete power. The burp only last for a split second. There does not seem to be any particular speed or common occurence. The problem will sometimes happen 3 or 4 times in 10 minutes and other times we go day without a problem.

cam sensor maybe? watch the tach closely and if it jumps any it is possible. there is a recall on the sensor so you may run by the dealer to check and see if you have the new on or not.

be aware of the accellerator pedal issues

TSB
04-24-11 MOMENTARY RETURN TO IDLE DURING AGGRESSIVE ACCELERATION - DIAGNOSTIC TROUBLE CODE (DTC) P0123 - 7.3L ENGINE

Publication Date: November 24, 2004

FORD: 2001-2003 Excursion, F-Super Duty


ISSUE:
Some 2001-2003 F-Series Super Duty and Excursion vehicles equipped with the 7.3L engine and a non-adjustable (fixed) accelerator pedal, may exhibit the malfunction indicator lamp (MIL) illuminated intermittently, and a momentary return to idle during aggressive acceleration. Diagnostic trouble code (DTC) P0123 will be stored in the powertrain control module (PCM) when the condition occurs, but may be cleared after forty (40) vehicle warm up cycles if no repeat conditions occur.

ACTION:
If normal PC/ED Manual diagnostics do not identify a root cause, install a revised fixed accelerator pedal. Refer to Workshop Manual Section 310-02.


PART NUMBER PART NAME
1C3Z-9F836-BA Pedal - Accelerator