1999 Volvo s80 T6 it takes about 1-1.5 hrs with jack and stands to replace one or both front sensors. No special tools are required. Brake loose the O2 sensor from above with a 7/8 or 22 mm regular flat wrench (remove the bar with the bushings that connects the strut towers from the frame of the car...

It pulls good till about 500rpm then it kinda flattens, I never drove another t6 only a s80 and my t6 is a lot faster than a non turbo. I guess I did not know what to expect,
thanks

Hi my 99 t6 accelerates very fast off the line and up to 4500-5000rpm, then it seems to flatten out is that normal? I thought the second turbo is supposed to work at higher rpm. I have new plugs and all cylinders are firing fine with no faulty codes.
Any suggestions?

I got a alarm service message on my info panel 1999 S80T6.
Any ideas.
Thanks

Thanks for the replies, I turns out the plugs were very old. I replaced with Bosch Platinum plus and replaced coil #3 ( it seemed that the problem was plugs only but I wanted to be safe). The car now runs great no more check engine light and lots of smooth power. Now I noticed that there is some smo...

I found code P0303 cyl.# 3 missfire, I'll change the plugs and see if it helps.

Check all vacumn hoses, replace as necessary. Special attention to Turbo Control Valve and Compressor By-Pass Valve spring. Have you changed your Flam trap (PCV) lately? Clean the PTC Nipple good, and reinstall the hoses. Any error codes from Check Eng Light? You could have multiple problems, but I...

Hi, 1999 volvo s80 t6 154k miles, Engine idles smooth, but it has a slight shutter when I accelerate hard and does not have follow through power when I floor the gas pedal, low end power seems fine, just when I floor the car around _+4000 rpm when the thin turbo is supposed to kick in the power curv...

Hi, 1999 volvo s80 t6 154k miles, Engine idles smooth, but it has a slight shutter when I accelerate hard and does not have follow through power when I floor the gas pedal, low end power seems fine, just when I floor the car around _+4000 rpm when the thin turbo is supposed to kick in the power curv...