Originally Posted by costina
Had greys before on l6 overfuelled really bad on overun

Bad mapping or knackered TPS. Theres no need for it on ANY injector.
No problem selling you a chip off teh shelf via mail order to run your engine.
Heres an independant review from a customer with a similar setup:
https://passionford.com/forum/viewtopic.php?t=200163