Model Year Affected: 1998
The secondary air pump may fail causing the check engine light to illuminate. The cause is often a failure of the air pump check valve that contaminates the air pump with exhaust gas/moisture.
Q&A > Volvo > 1998 Volvo V70 XC
Common Problems > Volvo V70 XC
Q&A > Volvo > 1999 Volvo V70 XC