Bolt-On Basics: RSX Type-S
I had a hi flo cat welded on to my RH and it ran for 3-4 months (that's 3-4k miles) with no CEL. Then recently it showed up and I resetted the ECU and it was gone. Now only 400 miles later, it is showing up again. Is there any reason you can think of for the CEL to show up often now? I'm almost...