Porsche Cayenne S owners manual page 280

text version of content this owner's manual page from owners manual to the vehicle Porsche Cayenne S, year of production 2002 - 2010:

Fuel Recommendations Octane ratings Fuels containing alcohol and ether Your Porsche is equipped with catalytic convert-Octane rating indicates a fuel's ability to resist det-Some areas of the U.S. require oxygenated fuels ers and must use UNLEADED FUEL ONLY.onation. Therefore, buying the correct octane gas during certain portions of the year. Oxygenated fu- Your engine is designed to provide optimum per-is important to prevent engine “damage“.els are fuels which contain alcohols (such as meth- formance and fuel economy using unleaded premi-The RON octane rating is based on the research anol or ethanol) or ether (such as MTBE). um fuel with an octane rating of 98 RON method. The CLC (U.S. Cost of Living Council oc-Under normal conditions, the amount of these (93 CLC or AKI). Porsche therefore recom-tane rating) or AKI (antiknock index) octane rating compounds in the fuel will not affect driveability. mends the use of these fuels in your vehicle.usually displayed on U.S. fuel pumps is calculated You may use oxygenated fuels in your Porsche, Porsche also recognizes that these fuels may not as research octane number plus motor octane provided the octane requirements for your vehicle always be available. Be assured that your vehicle number, divided by 2, that is written as:are met. We recommend, however, to change to a will operate properly on unleaded premium fuels different fuel or station if any of the following prob- -o r with octane numbers of at least 95 RON ----------------------------------RON+ MON--------------RM+lems occur with your vehicle: (90 CLC or AKI), since the engine's “Electronic 2 2 – Deterioration of driveability and performance. Oktane™ knock control“ will adapt the ignition tim- ing, if necessary. The CLC or AKI octane rating is usually lower than – Substantially reduced fuel economy. The use of UNLEADED FUEL ONLY is critically the RON rating: – Vapor lock and non-start problems, especially important to the life of the catalytic convert-For example: 95 RON equals 90 CLC or “AKI“at high altitude or at high temperature. ers. Deposits from leaded fuels will ruin the – Engine malfunction or stalling. converters and make it ineffective as an emission control device. Cars with catalytic converters have a smaller fuel tank opening, and gas station pumps have smaller nozzles. This will prevent accidental pumping of leaded fuel into cars with catalytic converters. Unleaded fuels may not be available outside the continental U.S. and Canada. Therefore, we rec- ommend you do not take your car to areas or countries where unleaded fuel may not be availa- ble. 280 Maintenance, Car Care

owners manual Porsche Cayenne S

owners manual Porsche Cayenne S - year of production: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 - Porsche Cayenne S owners manual EN