Howardjim,I experienced that kind of jerking with our 2008 Honda city IDSI,Honda spa ask us to replace two of the eight coil on plugs. explanation ng SA parang lumalaktaw na yung kuryente kaya nag jerk.
ang gumawa po nian sa u,nag trial and error lang kahit okey,palit ng palit,jeje,,,if u trust me,,im from europe,automatic trans/auto mech,trained and study automotive ,and work in porsche casa,,,my no,09052929079,home svc,pickup,trans and deliver