Hey guys, I have my v7 sti and my mates v7 sti and both of them have an issue..
My v7 sti: Just had a replacement engine and when i'm just cruising up my hill not boosting I get this slight misfire feels like a fuel related issue but i could be wrong, also my Air fuel gauge drops and comes up every time it misfires and it's in sync to the misfire which is why i thought it could be a fuel issue.. On boost it doesn't hesitate at all.
Mates v7 sti: Mates v7 sti hesitates on boost, he's got a gfb electronic boost controller and we've noticed that on a lower boost setting the misfire is worse but on a higher boost setting it's a lot better but still has a misfire.
Any ideas what these issues could be related to? Quite tempted to swap over parts to find out the problem, any help is appreciated!!!
Thanks in advance!