Quote:
Originally Posted by Robert986
Update:
Switched AOS, MAF, o2-sensors & spark plugs, still no luck.. Then I put back the oem cats, instead of the cheap eBay ones. o2 and HC back on zero again! 
Anyone else had bad luck with eBay cats? |
I had similar issues with 200 CPI cats. On this thread at the answer #2 is the reasons for the issues and how the MOT was cleared.