Check Engine Light Due to Air Pump Check Valve Failure on Volvo 960

The Check Engine Light may illuminate due to a failure of the air pump check valve.

RepairPal Verified
Average mileage: 143,666 (129,000–157,000)
2 model years affected: 1996, 1997
5 people reported this problem
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problem details
1996 Volvo 960 129,000 mi,
Check engine light indicated air pump and check valve. estimated cost to fix provided by independent volvo mechanic $965
Persistent check engine light explained by Volvo mechanic as failed air pump. Recommended replacement along with check valve...estimate $700 or more. I declined. Was looking for way to perhaps fix with a shade tree approach...