help please car running bad spark plugs

[leejohno80]

Hi can some one please help i have just changed the spark plugs on my v6 3.2l vectra c gsi and it is now running really bad, loads of smoke on initial start up no power and engine warning light on dash when acelerator pressed.
The car was fine before new plugs fitted

[Big Dave]

Try refitting the old plugs and see if the fault is still present.

I take it you've put the coil packs back on properly?

Also, did you use the correct plugs? GM/Vauxhall ones are as good as any and will be the correct ones. Also cheap as chips.

[leejohno80]

Thanks for the advice try it today. Ref double post my bad computer is a bit slow so wasnt sure if posted the first time.

[leejohno80]

Yeah fixed it was a small piece of rubber that had fallen off the coil pack, it was stopping the current being passed from coil pack to plug thanks for the help.