ok i have codes and truck isn't running the greatest what should i do put the cat back on or what. BTW there isn't a fe9 code in my glove box so what does that mean. thanks. any help would be appreciated.
Got an appointment to take cats off and how do you tell if its and fe9. Also i havn't compensated for the bigger tires either so i will do that too. Any other suggestions. Is the banks a good system or do i need to change to something else.
I have a 2004.5 silverado crew cab 4x4. When i bought it already had a banks six gun programer, aftermarket muffler, and 4 " exhaust from muffler back stock from muffler to engine. Running aftermarket 17" American Racing wheels and 315/70/17 bfg tires. Truck has just hit 100k miles and is only...