i assume u now have compression on the above cylinders ? if ur sayin that 2 different scanner wont read then surley u have to be askin why . is it the correct ecu for the car? is there even an ecu there ? is the ecu reading the key ok ? is the fuel comtaminated ? exhaust full of water ? air box clear ? all plugs clean properly connected and dare i say where they should be ?. Earths ?