U 7194 2009 GMC SLE off road
My check engine comes on an off periodically with this code along with P0230
Truck runs fine just wanted to know if this required further tuning?

Should I get a custom tune if i replace factory maf with performance?
2009 GMC Sierra off road u7194

speed limiter off

Predator tune getting code P0230(Fuel Sensor) does this require tuning?
Other than that like yeah

I am getting CAT codes P0420, P0430, after removal of cats, does this require a custom tune?
1) 288194
2) U7194
3) 09 GMC Sierra 5.3

I am getting Cat P0420 P0430 on my 09 GMC Sierra 1500, Does this require a custom tune?