Engine misfire

1. Oli-VTR Frequent Poster Joined: Aug 2011 Nottingham/South London Posts: 976 Icelandic Grey VTR Mk2

   #1 27th August 2014, 16:07

   Just fitted the ford coilpack HT lead conversion thingy, got it wired up rough just so I could check what's what.
   The engine is now only firing on 2 and 3, when I unplug the leads to 1 and 4 it makes no difference to how the engine runs (ie still only on 2 cylinders) but there is definitely a spark coming from both the leads as you can hold it to the block and they spark away.
   Absolutely no problems before with the fuel end, car was running fine just before taking the old coilpack off.
   So fuel, and all 4 are sparking...yet only 2 cylinders?
2. Oli-VTR Frequent Poster Joined: Aug 2011 Nottingham/South London Posts: 976 Icelandic Grey VTR Mk2

   #2 27th August 2014, 19:31

   Anyone able to shed any light?
3. user_20080 Saxperience Hardcore! Joined: Dec 2007 smurfland. Posts: 17346 Ex saxo owner.

   #3 27th August 2014, 20:23

   It was running fine before you changed over,can i ask why you changed over?
4. Oli-VTR Frequent Poster Joined: Aug 2011 Nottingham/South London Posts: 976 Icelandic Grey VTR Mk2

   #4 27th August 2014, 22:10

   standard coilpacks getting all melty on track
5. Alexp Central South Joined: Jun 2006 East Sussex Posts: 3105 VTS :)

   #5 27th August 2014, 22:35

   Did you splice loom?
   Can you put the old coilpack on to see if all 4 work again?
6. Oli-VTR Frequent Poster Joined: Aug 2011 Nottingham/South London Posts: 976 Icelandic Grey VTR Mk2

   #6 28th August 2014, 08:32

   just had the wire in connectors so that i could troubleshoot and check conneections before soldering them into place. yeah am going to whip the standard back on today to check, just cant understand why it wont fire if all 4 spark and there were no fuel issues before!
7. Oli-VTR Frequent Poster Joined: Aug 2011 Nottingham/South London Posts: 976 Icelandic Grey VTR Mk2

   #7 28th August 2014, 16:40

   returned to standard. still got a misfire. sad times
8. Alexp Central South Joined: Jun 2006 East Sussex Posts: 3105 VTS :)

   #8 28th August 2014, 17:29

   What are the plugs like? Could be sooted.
9. user_24390 Saxperience Post Whore Joined: Jun 2008 North Wales Posts: 5576 Fabia VRS PD130/ VTR Mk2

   #9 28th August 2014, 18:09

   Might sound silly but have you wired them up correctly and got the right lead on the right plug. #1 Gearbox end.
10. Oli-VTR Frequent Poster Joined: Aug 2011 Nottingham/South London Posts: 976 Icelandic Grey VTR Mk2

    #10 28th August 2014, 20:41

    yeah it was wired up right, and ive put the standard coilpack back on and now its still misfiring
    
    plugs are all fine changed them when i changed coilpack after melting it on track a few months back
    
    unplugged battery to give it a reset over night but not hopeful..