See also:

How can I prepare for my next OBD II emission inspection?
• If your Check Engine (MIL) light is lit – or was lit but went out without service, have your vehicle diagnosed and, if necessary, serviced by a qualified Volvo technician. • If you recently h ...

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 convert ...

Speed rati
The speed ratings in the table translate as follow: Speed ratings M 81 mph (130 km/h) Q 100 mph (160 km/h) T 118 mph (190 km/h) H 130 mph (210 km/h) ...