Well I'm happy to report that my compression test on all 6 cylinders proved to be good! Especially cylinder #4 where my misfire code was 😁. Nothing below 120 psi after 3 strokes.
Ty for the list.Fuel pump would effect trims on both banks. Things that are the usual causes of 1 bank trims being off
A. Cam timing off
B. Vac leak
C egr ports plugged and egr not closing all the way
D. A/f sensor biased
E. Cat being plugged/restricted
F. Valve on the bank out of adjustment
H. Have seen cracked air intake tube on a maf veh effect only 1 bank.
Map v would be helpful information