need some help
2005 roadster limited
mods....k&n air filter, ngk plugs and magnecor wires and a 74 throttle body
problem is the codes
misfire.........
fuel.............
comp..........
catlyst.........
sec air.........
o2 snsr........
o2 htr.........
egr.............
my new actron scan reader doesn't help with the above.
also have p0171 and p0174 system lean on both banks
need some advice before going to a garage.
thanks
bob