can anyone help brava missfire

[steve47]

can anyone help i brought a fiat brava 80 sx and when it cold i start it missfires only runs on 3 but when it gets warm it runs ok but on tick over you can hear a slight popping ive changed all the leads can anyone help with this thanks

 

[DJSparky]

Hmm, It still have a cover for spark plugs ? Or has it had its engine changed that you know of. It can mis fire Because of water being in spark plugs so that could be it? Gone through any big puddles recently ? : P

 

[steve47]

i dont know of any engine change yes is still has the spark plug cover