through it. But yeah, they should be the same. The catalyst gets REALLY stinkin hot and tends to burn all the soot clean. Without the catalyst there, the carbon can build up. Without a wideband it will be tough to know if it's normal or not.
"Capitalization is the difference between helping your Uncle Jack off a horse, and helping your uncle jack off a horse." "'she' also likes to swap since I think I am going to need to give her to woody again." - Dvlhntr "full alphabetic boost mode" - ChristopherTheOne " Purrs like a sexually satisfied black panther." - BigTDogg "Two oil eating, angry, spinning triangles of death." - turtleboy on rotary engines