At over 300,000 miles my trusty 12V Cummins began to loose power and idle rough. After a lot of Google searching and being told by a local shop I needed to replace my injectors and or injection pump, I ordered a new check valve from Tork Technology. it took less than 5 mins to install. The result: Smooth idle, lots of power, runs better than the day I brought it home! I have noticed that I have to be careful shifting gears or it wants to lay down a bit of smoke, where before, it was so starved for fuel it never smoked regardless of how much throttle I gave.
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