power loss

[scotslad82]

hi guys been having a problem with my 172cup 53 plate and wondered if anyone can help! when driving on the motorway between 70mph and 80mph my car starts slowing down to around 60mph then kicks in again a few seconds later anyone had this before or know what it is? cheers

 

[Craig..]

Could be spark plugs.... HT leads..Take them out and give them a clean... try that

 

[scotslad82]

just had the plugs and leads replaced as i had a miss fire?

 

[Craig..]

Oh ok.... Had the coil pack checked???

 

[scotslad82]

dont think they checked it when it was in ill go get it looked at