2003 Workhorse W22 running horrible
I am trying to fix my father's Winnebago 35U, based on a W22 chassis with the 8.1 Chevy motor. When he purchased it used it ran great. It sat for a year and has now developed a very rough idle, to a...
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Pull your dip stick and smell the oil. If it smells like gas you are running rich. That could probably be the fuel pressure regulator (the fuel damper you mentioned). It is an easy fix.
