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Why does my '05 6.0 sound like this???
I recently straightpiped my '05 F250 and installed a set of 6" stacks. Ever since, it has sounded like the attached video! I thought it was a backpressure issue so removed the EBP sensor and tube and cleaned them, then replaced the sensor because the cleaning did not fix the problem. The new sensor didn't work , so I replaced the MAP sensor, and that STILL didn't work
. Now I am thinking maybe it's a fuel pressure issue, so I am ordering the blue spring kit from Riff Raff Diesel, and picking up a fuel pressure gauge. The truck has a brand new Stage 1 (65mm) turbo and EGR delete kit, and the injectors were done about 2 years ago. The video shows a moderate acceleration from 0-60, and as you can see/hear the worst is in 2nd and 3rd gear. Once the truck is maintaining speed, the surging stops and it runs fine! It is also worse when the truck is cold vs. hot. Any opinions are greatly appreciated! I can't wait to get this problem fixed so I can install my Edge A2 monitor, and load up an SCT tune to wake this monster up!!!