Posted to the Waveform Library on 11/29/2006

Scan data was showing misfire on Cyls. 7 & 8. After checking ignition and getting nowhere, I hooked up the Senex probe to the fuel regulator port and triggered on # 4 Cyl plug wire.

Cyls 4 & 7 are at TDC at the same time. When # 4 is on compression stroke # ...