saggy misfire

[greenback]

my sags misfiring when i lay on the beans anyone got any ideas as to why had fuel tank drained and injectors cleaned as suspected water in the fuel but still doing it where do i go from here apart from the dealers

[s6boy]

Coil pack and leads seems an S6 weak point, if you do a search on the subject you'll find several people with the same problems and cause.

[VARLEYHYD]

greenback said:

had fuel tank drained

same with mine at low miles; twas coil pack at fault

G

[swanny71]

Coil pack and leads solved similar problem on mine.

[CDD]

Normally a spark plug if it misses under load