Question

I have a 2005 Volvo XC90 with code P0101, what is the meaning of the code?

Answer 1

P0101 VOLVO - Mass or Volume Air Flow Circuit Range/Performance Problem

Read more: https://www.autocodes.com/p0101_volvo.html

You probably need a new mass air flow meter, but you could try cleaning the meter first and replaced the air filter.