hi did you change the ht leads i had same issue on my t5 no engine light etc my leads was the cause

hi im new to the site etc just after some info if pos please ive got a 850 t5 manual estate ive done all the normal mods etc ecu (hlm 304) rip kit white injectors fuel pump 16t decat etcetc... Its not enough power really so ive got a kkk k24 turbo and the R manifold and oil and water feeds and 3&quo...