New header and Bpv now rough idling bunch of codes please help!
Hey all I need some help I have an 04 r53 just purchased obx header and a Detroit tuned bpv. Car ran perfect before now it idles rough had it scanned and got a slew of codes 1689, 1242, 1109, 1229. I've checked every hose sensor fuse and can't find anything wrong please help
Last edited by Austin327; Aug 5th, 2014 at 01:50 AM.
Reason: auto correct stupid phone on bpv