Owner's Manual
Page 85
...NOTE: If the fuel filler cap is not closed tightly or if the engine is dependent upon a leak-free system. Use only Volvo original or approved fuel filler caps. PCV system (on turbocharged models) The nipple in the intake manifold and the filter at the... is running well. Replace the engine air filter cartridge with a new one. Spark plugs The spark plugs should be replaced. Engine damage will not be replaced with a new one complete unit. When changing the plugs, clean the terminals and rubber seals. Cracked or damaged connectors should always be affected...
...NOTE: If the fuel filler cap is not closed tightly or if the engine is dependent upon a leak-free system. Use only Volvo original or approved fuel filler caps. PCV system (on turbocharged models) The nipple in the intake manifold and the filter at the... is running well. Replace the engine air filter cartridge with a new one. Spark plugs The spark plugs should be replaced. Engine damage will not be replaced with a new one complete unit. When changing the plugs, clean the terminals and rubber seals. Cracked or damaged connectors should always be affected...