Volvo V70 XC70 III owners manual page 199

text version of content this owner's manual page from owners manual to the vehicle Volvo V70 XC70, year of production 2007:

05 During your trip Refueling CAUTION avoid malfunctions that could damage the Heated oxygen sensors three-way catalytic converter. The heated oxygen sensors monitor the oxy- 1 • Do not refuel with the engine running . • Do not park your vehicle over combustible gen content of the exhaust gases. Readings Turn the ignition off or to position I. If the materials, such as grass or leaves, which are fed into a control module that continuously ignition is on, an incorrect reading could can come into contact with the hot exhaust monitors engine functions and controls fuel occur in the fuel gauge. system and cause such materials to ignite injection. The ratio of fuel to air into the engine • Avoid overfilling the fuel tank. Do not under certain wind and weather condi- is continuously adjusted for efficient combus- press the handle on the filler nozzle tions. tion to help reduce harmful emissions. more than one extra time. Too much fuel • Excessive starter cranking (in excess of in the tank in hot weather conditions can one minute), or an intermittently firing or cause the fuel to overflow. Overfilling flooded engine can cause three-way cata- could also cause damage to the emis- lytic converter or exhaust system over- sion control systems. heating. • Remember that tampering or unauthorized Emission controls modifications to the engine, the Engine Control Module, or the vehicle may be ille- 05 Three-way catalytic converter gal and can cause three-way catalytic con- • Keep your engine properly tuned. Certain verter or exhaust system overheating. This engine malfunctions, particularly involving includes: altering fuel injection settings or the electrical, fuel or distributor ignition components, altering emission system systems, may cause unusually high three- components or location or removing com- way catalytic converter temperatures. Do ponents, and/or repeated use of leaded not continue to operate your vehicle if you fuel. detect engine misfire, noticeable loss of power or other unusual operating condi- NOTE tions, such as engine overheating or back- Unleaded fuel is required for vehicles with firing. A properly tuned engine will help three-way catalytic converters. 1 If the fuel filler cap is not closed tightly or if the engine is running when the vehicle is refueled, the Check Engine Light (malfunction indicator lamp) may indicate a fault. However, your vehicle's performance will not be affected. Use only Volvo original or approved fuel filler caps. 199

owners manual Volvo V70 XC70

owners manual Volvo V70 XC70 - year of production: 2007 - Volvo V70 XC70 III owners manual EN