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my 92 keeps running rich i just change both o2 sensors i notice a improvement still rich no smoke is worse at cold start the next test
is to take the TPIS level chip and replace with factory original could the chip cause the problem? i have the following modifications zz9 cam,TPIS full ex with flow master no cats or pre cats shorty headers open air lid,accel coil and 52 mm tb any ideas please!!!!
I would also suggest checking your fuel injectors. Leaky injectors can cause your Vette to run rich. Also change the IAC and Mass Airflow sensors to make sure they are functioning properly.