Posted to the Waveform Library on 8/20/2006

blue is bank 1 02 , red is primary spark 1-3-2 green is pressure transducer in the exhaust

hot idle, vacuum gauge rock steady @ 18' the car has a code p0304 misfire on #4 but the 456 cylinders are bank 2 the 123 cylinders are bank 1 - shown here is the bank ...