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Hey all, Just following up on this now that it's been fixed. I can confirm that the issue has been resolved with the changing of the fuel pump and filter. Fuel usage back to where it should be, have gained back around 1.5L/100km. Car has much more off boost power now, as well as pulling nicely through the range and is a pleasure to drive again so I'm a happy man. The only thing that still isn't right is the stored fuel trim readings, mostly at idle where it's sitting at -9.70%. I'm really not sure why either when the mechanic tells me the car is as healthy as a button. Only thing I can think of would be the new MAF is causing it. Would incorrect MAF scaling do this? I think Dave from Cryotune had to adjust this when he tuned my car as I remember him saying the trims were a little higher than he would like. Any input would be great, Cheers!

Been dealing with Mark for years. Awesome & Friendly service and always keen to help. 100% Recommend http://www.subwrecks.co.nz/