Is this normal after a cylinder head swap?
#22
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Great success! The car was running rich in the right bank because I had the O2 sensors crossed and it died and wouldnt start because the grounding wire on the back of the drivers side head had worked lose. Swapped the O2 sensors, tightened the grounding wire, it fires right up. After 10 minutes, it was idling perfectly with no problems and no hot cats.