94 302 running lean
I have a 1994 Mustang GT that has a TFS Street intake 70mm TB, Pulleys, K&N FIPK,Bassani X-pipe and Flowmasters.
I just installed a Lunati cam, TFS twisted wedge heads, 1.6 roller rockers, 24lbs injectors, 190lph fuel pump and 75mm MAF calibrated to 24lbs. My car is running very lean. My mechanic says he thinks the O2 sensors aren't working properly. Could he be right or could I need a custom tuned chip? Someone else said that I might need a fuel pressure regulator. What could it be?
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