Do any of you guys know a garage in Dallas that likes to work on older Volvos?

I have just gone through a nightmare stalling issue with my 1993 850 that turned out to be a vacuum leak I didn't notice. Since I am in love with this car and will drive it for as long as I can I have decided I am just going to start replacing things once or twice a month even if they don't need it ...

All of my codes are coming out of A3 but according to the charts none of the codes should come out of A3. It's this a problem?

Thank you!

How hard is it for a regular dude with average mechanical skills to swap out the engine wiring harness on a 1993 850? I am having some troubles that are driving me nuts and I have a feeling that just putting a new harness in will save me months of headaches. Other than labeling everything to insure ...

Should the air intake take hose slide smoothly on to the throttle body or do you have to really work to get it on?

Many many thanks.

OK, apologies ahead of time about the length I don't know how to explain it. I was putting on a new intake hose and the small hose coming of the fire trap fell apart. I got a new hose and to the best of everything I can learn it's supposed to go to the nipple on the passenger side intake manifold ...