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mack vision cutting out


dlkkms
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I have a 2005 Mack Vision has 740,000 miles At road speed the engine just cuts out and then comes back. It was missing and cutting out a couple of weeks ago put it in the shop they Found #2 and #3 unit pumps logging fault codes replaced also turbo was leaking oil out the back replaced and cleaned inter cooler. Been running truck but still cutting out also smokes bad too under low acceleration like its loading up not sure about egr related???? Also several months back broke fan clutch plug off does anyone know where I could get one besides replacing???? It also shows some weird codes like injector 13 and fuel control valve awhile back and engine management.

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Could possibly be a fuel psi issue, I have seen the fuel pump gears slip at times and cause the problems you describe. Best way to tell is install a fuel psi gauge, If fuel pressure is ok during the issue the it could be an egr problem.

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