2003 f350
#1
2003 f350
hi i have a ? 2003 f350 diesel that went u start it up in the moring it like it is sucking lots of air it idel up and down intil it warm up and then quit in til the next moring same issued and one other issued is went lock in it has a rumble ck all front end parts and drivshaft to. hope some one can help me . thank !!!
#2
Powerstroke use a butterfly valve in the turbo to build exhst backpressure and help the motor warm up in cold weather. If you have a 7.3 the exh back pressure sensor is on the top of a tube just to the left ( looking at the motor) of the hpop, behind the serpentine belt. You can unplug the sensor to see if that's causing your issue
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