Deposit control gasoline (detergent additives)

Volvo recommends the use of detergent gasoline to control engine deposits. Detergent gasoline is effective in keeping injectors and intake valves clean. Consistent use of deposit control gasolines will help ensure good drivability and fuel economy. If you are not sure whether the gasoline contains deposit control additives, check with the service station operator.
NOTE
Volvo does not recommend the use of external fuel injector cleaning systems.
See also:
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Overview
The Volvo S80 is a luxury car that offers distinctive Scandinavian design,
innovative technology, a refined ride, spaciousness and comfort. This luxurious
and modern Volvo is an elegant premium-ba ...
