Posted to the Waveform Library on 4/25/2007

This is a drawing of a waveform I have on a 87 Corvette. It runs rich and I cannot see a difference when put into backup fuel mode. CO is ~4%, HC ~1600 at best, CO2 is 7ish% and O2 is ~6%. Car had a bad MAF but I am chasing this injector pulse issue with the h...