See also:

Turbo Power
All C30s are powered by a turbocharged 2.5-liter inline-five-cylinder that produces 227 horsepower at 5,000 rpm and 236 pounds-feet of torque at only 1,500 rpm. Unlike some turbocharged engines th ...

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 ...

Three-way catalytic converter
Keep your engine properly tuned. Certain engine malfunctions, particularly involving the electrical, fuel or distributor ignition systems, may cause unusually high threeway catalytic converte ...