Audi 100 C3 owners manual page 93

text version of content this owner's manual page from owners manual to the vehicle Audi 100, year of production 1982 - 1991:

VEHICLE CARE FUEL SUPPLY Your vehicle is equipped with a cataly-important to prevent engine "knock", tic converter and requires unleaded Seasonally adjusted gasoline which reduces performance and may fuel. For maximum engine performance, Many gasolines are blended to perform cause engine damage. especially well for winter or summer dr unleaded premium fuel with an octane i- The 91 RON octane rating which you will ving. During seasonal change-over, we rating of 95 RON or 91 AKI is recom- find on the inside of the fuel tank flap is mended. based on the research method. The AKI suggest that you fill up at busy gas sta- tions where the seasonal adjustment is You may also use unleaded regular octane rating usuallyfuel displayed on U.S. more likely to be made in time. with a minimum octane rating of 91 RON gasoline pumps is calculated as follows: Gasoline Additives which corresponds to an anti-knock index Research octane number plus motor (AKI) of 87. octane number, divided by 2. A major concern among many auto manufacturers is carbon deposit build-up See also "Digital Electronic Ignition" page Regular fuels have an octane rating 155. ranging from 91 to 95 RON (Research caused by t he type of gasoline you use. Do not use leaded gasolines. Octane Number) or 87 to 91 AKI. Although gasolines differ from one manu- facturer to another, they do have one Do not use any fuel with octane ra- Deposits from leaded gasolines deacti- thing in common. All gasolines contain vate the catalytic converter and thus de- tings lower than 91 RON or 87 AKI. properties that can cause deposits to feat its purpose to control exhaust emis- sions. Gasolines containing alcohol collect on fuel injectors and intake valves. Although most gasoline brands inclu- Gasoline containing alcohol is available Unleaded fuels may not be available de additives to keep engine and fuel at gas stations in some areas. The gas outside the continental USA and Ca- nada. Therefore, we recommend you pump may not be labeled to identify that systems clean, they are not equally effective . alcohol is present in the gasoline. If it is do not take your vehicle to ar eas or labeled, it may not identify what amount countries where unleaded fuel may After an extended period of using ina- and type(s) of alcohol are used. We not be available. recommend you use quality gasoline that dequate fuels, built-up carbon deposits Octane rating is NOT blended with alcohol. The use of can rob your engine of peak performa- fuel containing alcohol can cause loss of nce. And carbon deposits like those in Octane rating indicates a gasoline's abi-fuel economy and driveability and perfor-the illustration can lead to other engine lity to resist detonation. Therefore, buying performance problems such as: the correct octane gas is mance problems. If these problems are experienced, we recommend you switch to another brand of gasoline. 91

owners manual Audi 100

owners manual Audi 100 - year of production: 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991 - Audi 100 C3 owners manual EN