04-30-2010, 03:20 AM
|
 |
Hummer Expert
|
|
Join Date: Sep 2007
Location: Mason, OH
Posts: 779
|
|
Re: Throwing Codes
Quote:
|
Originally Posted by Hummeron37s
Most likely a bad cat. I threw a p0300 multiple misfire when my cat was bad. I bought 2 magnaflow hiflow cats from amazon for $75 each and had the muffler shop cut the old ones out and weld the new ones in for $200. Never got the code again and still pass NY inspection with flying colors.
|
Totally Agree! |