RepairPal Certified shops can diagnose and repair your 1990 Chevrolet Corvette. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
you need to have the engine checked out. plugs, wires, cap,rotor, air filter, o2 sensor, map sensor, cat and compression test. all these things need to be checked for a fialure.
Roy
have installed new plug wires, distribitor cap, rotor, checked the plugs ,seemed ok.. the cat conv. were tested (pass)at smog station.
o3 sensor switching fast enough?? what are the cross counts?? how did they test the cat operation?? Roy