I will try to keep it simple. I have a 2002 S80 T6 2.9 Twin turbo w/56,000 miles. Check engine light is on. OBDII reader shows two codes that I have cleared about 6 times and keeps coming back. The codes are PO432 (Main Catalyst Efficiency Below Threshold - Bank 2) and code PO422 (Main Catalyst Effi...

I totally agree with you on the fact a Volvo dealer has the most knowledge on fixing my car. The problem is the nearest dealer is about 85 miles and the estimated coast for the repair would run $800-$900 to replace two O2 sensors if that is what the problem is. The last time I had it in they charged...

You will need to turn the key on to move the gear selector to the rearmost position. Using a flat blade screwdriver pop the larger trim panel up from around the gear selector working it up from the rear part of the panel. After popping off the panel around the gear selector rotate it to the right a ...

This is the situation. I have a 2002 S80 T6 w/2.9 twin turbo w/56,000 miles. The check engine light comes on and I take it into checkers and hook it up to the OBD2 reader and it has code PO432 (Main Catalyst Efficiency Below Threshold - Bank 2). The guy reset it and about the 5th restart light came ...

Thanks so much for the advise and information. I just started to look into the links you posted. Very interesting . I will post the outcome.

I do have access to a 99 S80. Are either of the two parts that you described interchangeable, where I could just switch? If I do get the correct part replaced do I have to bring it to a dealer to have dash lights reset? Thanks again, Cale

I have a 2002 S80 T6. I passed a car yesterday (using the great power) and when I made it around I had no more engine power. I pulled over and the car was idling rough and the check engine light came on and the computer message center had "reduced engine performance" displayed. As soon as ...

I am working on a 2002 S80 T6. I need to replace the intercooler. Does anyone know what the difference is between the intercooler for a 2002 model year S80 T6 (part number 8649471). And a 2003 model year S80 T6 (part number 8671694)? By pictures I can not tell the difference, but price is about $200...