Cat C7
Out bound for propane, up and over the mountain all normal, decreased speed used engine brake and released, lost power 10 mph max, thick black smoke, after a couple city turns, full power, drove more ...
Forum Discussion
Any check engine light/codes??
Wonder if the exhaust brake failed to open (mechanically stuck shut, then released). If it happens again, pull over at first safe spot and visually check to see that the exhaust brake butterfly is OPEN.
If this is a PacBrake, here is their lube chart: http://pacbrake.com/supplemental-brakes/prxb-exhaust-brakes/maintenance/
Wonder if the exhaust brake failed to open (mechanically stuck shut, then released). If it happens again, pull over at first safe spot and visually check to see that the exhaust brake butterfly is OPEN.
If this is a PacBrake, here is their lube chart: http://pacbrake.com/supplemental-brakes/prxb-exhaust-brakes/maintenance/
