hotcobra03 here again...tryed plugs and still no good...i can pull all four left side coils off and no change in rpm,,tryed right side pull 1 and rpm drops switched coils and still the same..left side has spark ..any thoughts...also cel light comes on if you run at 2000rpm..first code was po 170 reset,,ran at 2000 again cel came on p1151 see p2198,,,