Originally Posted by
MrCannab1sir
Morning all, firstly I'm not great with cars and terminology lol. I have a mk1 focus, it was misfiring so as I changed the spark plugs not long ago I changed the coil pack (an issue that rears it's head now and again, all I do is change sparks or coil pack, or both and its good to go again). So to give you a clear idea, when you come to change gear and accerarate the revs go up with very little accelaration then the revs drop down and speed goes up, it doesn't happen every time but it's been getting worse over the last week This time however, when I changed the coil pack and started it up it just makes an obviously wrong noise, sporadic idling and chuntering, revved the acc pedal a little and it sounds awful. I dropped the new coil pack on laminate floor when opening it so I changed it bk for the old one but still the same problem. I literally undid the bolts and the plug, took the 4 leads off and swapped coil pack then replaced leads etc. The leads only go to one point on the c pack so they're not mixed up. First thing I thought is maybe the leads as they haven't been changed for a cple yrs, plus one of the metal connector bits was hanging out the rubber bit on the lead after I took it off one of the points on the coil pack. So it was totally driveable yesterday, just with a little misfiring and now, after only changing the coil pack, it's obvious it isn't gonna drive properly. Any help much appreciated
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