So I took my xc70 in for emissions test and it says catalyst unready,o2 sensor unready....what do I need to do..thanks guys love this site by the way

Dash says check brake light....changed the bulbs all the brake lights work and dash still says check brake light Any tips thanks for the help

I did scribe a mark around the three bolts that hold the cam gear to the cam everything went well started the car yesterday with no problems runs great....now to figure out the sunroof /siren issue any tip......has anyone ever just disconnected the siren without ant problems

I did science a mark around the three bolts that hold the cam gear to the cam everything went well started the car yesterday with no problems runs great....now to figure out the sunroof /siren issue any tip......has anyone ever just disconnected the siren without ant problems

2001 xc70 do I need to lock in the cams to do the timing belt...I did remove the the cam gear that is not spring loaded but did nothing to the spring loaded gear...all marks lin up after rotating 360 degrees no binding...am I good to start the car thanks for the help....