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  1. S

    Missing - New spark, leads, coil, DFI - ideas?

    Hi All Just for future reference, I fell foul of a 2nd DFI failing in exactly the same way as the first one! I dismissed it as being possible, can't say I even understand the underlying cause. But that is what happened. Initial DFI failed on one coil. Bought new DFI. Same coil still didn't...
  2. S

    Missing - New spark, leads, coil, DFI - ideas?

    I think you are right, that it may be the injectors. I traced the wire loom nothing obviously out of place. Then I checked the injectors. The resistance across them all was the same, and the live current on the connector was steady, as was the pulse signal with the engine running on the earth...
  3. S

    Missing - New spark, leads, coil, DFI - ideas?

    Thanks for the tip, will embrace that tomorrow, had a cursory glance at the loom, didn't seem too bad. Does each coil pack have it's own wire for a firing signal? That would certainly make sense as to why it's just that one position. Moved the coils about, the problem stayed in the same place...
  4. S

    Missing - New spark, leads, coil, DFI - ideas?

    Hi - I tried that, the working coil fails in the 1&4 position, and the non working one fires in the 2&5, so I think the coil packs are ok, something further upstream, causing a rick.
  5. S

    Missing - New spark, leads, coil, DFI - ideas?

    Hi All So my VY has decided to start missing and juddering. Assumed it was a dodgy spark plug, as they were due to be replaced, put in new sparks and new leads. Same problem. After reading this fine forum I tested the coils and found the 1 & 4 coil had no spark arching on it. So thought super...
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