1jz gte vvti, mazda rx7 fd3s wiring help

Thread in 'Technical Questions' started by Miles Hatton, Jul 13, 2019.

  1. Miles Hatton

    Miles Hatton New Member

    Mar 12, 2018
    Likes Received:

    Im really struggling to get my 1jz to run thats out of a manual jzx100.

    Ive swapped it into my 1993 mazda rx7 fd3s.

    Ive followed a few youtube videos and guides online with still no luck in getting her to fire up.
    She will crank, but no spark, and no injector pulse, but they have the 12v at the hot side.
    Ive replaced cam and crank sensor and still no luck.
    The plugs to my coil packs were knackered so i replaced those to still no fix i havent changed the coil packs.
    Ive tried a second manual jzx100 ecu and ignitor to see if that was the problem with no change.

    Any help would be massively appreciated.


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