Air Pump Failure Due to Failed Air System Check Valve on Volvo S70
Problem overview
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.
20 people reported this problem
6 commentsVolvo S70 vehicles with this problem
3 model years affected
Average mileage: 130,345 miles
(18,500 - 223,000)
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