One problem related to o2 sensor has been reported for the 1999 Volvo V70. The most recently reported issues are listed below.
Incidence 5 of 7 similar. As reported on service invoice: "customer states: check engine light on. There are drive ability concerns. Car cuts out intermittent right after starting - warm or cold start. See attached. Access diagnostic codes: ecm 2110 and ecm 720a. Replace immobilizer antenna ring and front oxygen sensor. Reset adaptation. " this incident was the 5th of 7 similar problems occurring later that ultimately lead to having the throttle body cleaned twice & then replaced twice. I will be reporting all these subsequent incidents in sequence of occurrence on this NHTSA complaint site as well. Previously reported incidents: 1) odi #10131200 2) odi #10131206 3) odi #10131207 4) odi #10131208.