miss fire i think

[greenbeen89]

Well I go a miss fire under a load I got new plugs wires coil and the injectors show to b working fine on a data stream runs great other than that just seem to b getting worse fuel psi is good and no mli

 

[xr75er]

check the o2 sensor

 

[greenbeen89]

There new im fixing to gut the cats and open it up some