Not related in the least to wood, cast iron, guns, shops etc. We've been working through some minor issues with my tdi recently. I haven't been too worried about it with as busy as I've been. Some of the issues seemed to point to the injectors I was running, but everything checked out good. (Pop tested in speck, good spray pattern and injectors balance out within spec.) So I finally broke down and got another set, they are slightly bigger then what i was running and from a different vendor. My tuning guy messaged me last night that he was going to be working on my tune this week and to install the new injectors. So after work I got them in, took a base line drive with the old tune and data logged. Sent that off to him, got a tune revision loaded (it's actually 3 tune I can swap between on the lap top. Different things changed in each one to see what works the best.) Drove it this morning to work, and was pleasantly surprised with the results. Car always idled a bit rough, very light smoke at idle. It's very smooth now and not any smoke that I could detect. (Outside of the normal start up puff.) The car seemed more responsive to throttle input too. I didn't do any heavy throttle this morning, but so far it's looking like it won't smoke as much as with the old injectors. So hopefully I can manage to get the 45-47mpg I've recently been getting up to 50 mpg + have ample power on tap and not smoke like a pig whenever I cone down on the go pedal.