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Southeast SD | I have a 379 Peterbilt extended hood that we just bought this spring with a bad motor. It's got a 6NZ C-15 in it, we went completely through the motor, new head, sleeves, pistons, rings, bearings etc. Anyway - the cruise doesn't want to work on it, it will hold and set up to 1400 engine RPM and after that it won't set or accelerate or anything. Same holds true with using it to set the engine idle with the tractor brakes locked, it will hold the engine to 1400 or anywhere up to that but after 1400 it acts like its turned off. Anyone have any suggestions? Also the jake brake isn't working since we put the motor back together, it worked when we bought the truck but doesn't work on any stages now. Motor runs great and everything else works as it should. Any help would be appreciated. Thanks guys. | |
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Peterbilt 379 cruise control
