F FatMcNasty Well-known member Mar 28, 2006 68 0 Southern Oregon Mar 14, 2019 #1 Is there an easy way to dump all the codes? It was run with an error-prone idle air control valve, for a few months so it has stacks of 48s. Any way to dump them all at once? Im going on 2 hrs now of one at a time. And it's getting really old.