Not nice, bet it pissed you off something rotten?
Hope mine is something so simple, just had all new ones on tho.
Shit !
What about this , bought my 3 door about 2 months ago if that , drove out the guys street an dropped to 3 vooomit !!!!! limped her home shitting myself !
Changed plugs/cap/rotor arm/leads and it cured it pfffeww !
Part and parcel !
hope is easy fixed