So, I recently installed a 628 ECU and it works great. It feels like I have a little more boost everywhere, not just for 7 seconds, 30 seconds, or whatever the literature claims. This is in a MY94 850. If I didn't know better I'd say either Volvo was fibbing, or something was lost in translation whe...

I have had a torn drivers side outer CV boot on my 94 850 Turbo for longer than I care to admit. Because it wasn't making noise, I was originally planning on cleaning, regreasing and rebooting the axle, but as I investigated replacement parts there seemed to be confounding information on the CV axle...

When I replaced a set of stock injectors with slightly larger ones, it took about 30 minutes for the LTFT to settle at a final value. The STFT was a different story - that was an instant response down to -20%. And FWIW, I didn't reset the LTFT, mostly by accident as I assumed pulling the ECU would c...

Hey folks, It's time for me to retire my 1994 Volvo 850 Turbo. It was driven by my daughter until last year, but a couple of problems sidelined it - the dreaded flashing transmission arrow fault means the auto is on it's way out, and it has a slow brake fluid leak, probably from the ABS module. It's...