04-09-2008, 03:18 AM
if the cat is underbody it might have cooled off before the test.
i agree with what the others said about plugs etc.. but you might want to try just really beating on the car to get the cat nice and hot and then making sure you can get tested right away
i agree with what the others said about plugs etc.. but you might want to try just really beating on the car to get the cat nice and hot and then making sure you can get tested right away