in your garage to make future searches easy.

Condition Value
expand_moreDiesel exhaust gas values
expand_moreCut-off control speed
All Audi diesel straight-4 1.9 L 1Y engines 51005300 rpm
All Audi diesel straight-4 1.6 L RA engines 50505150 rpm
All Audi diesel straight-4 1.6 L SB engines 50505150 rpm
expand_moreMaximum K-value
All Audi diesel straight-4 1.9 L 1Y engines 2 1/m
All Audi diesel straight-4 1.6 L RA engines 2.5 1/m
All Audi diesel straight-4 1.6 L SB engines 2.5 1/m
expand_moreGeneral exhaust gas values
expand_moreIdling speed with automatic gearbox
All Audi diesel straight-4 1.9 L 1Y engines 870930 rpm
All Audi gasoline straight-4 1.6 L PP engines 825925 rpm
All other modifications 850950 rpm
expand_moreIdling speed with manual gearbox
All Audi diesel straight-4 1.9 L 1Y engines 870930 rpm
All Audi gasoline straight-4 2.0 L 6A engines 8001000 rpm
No adjustment possible
All Audi gasoline straight-4 1.6 L PP engines 825975 rpm
All Audi diesel straight-4 1.6 L RA engines 870930 rpm
All Audi diesel straight-4 1.6 L SB engines 870930 rpm
All other modifications 850950 rpm
Minimum engine oil temperature at VET 176°F
expand_morePetrol exhaust gas values
expand_moreCO content at idling speed
All Audi gasoline straight-4 2.0 L 6A engines 0.5 %
All Audi gasoline straight-4 1.8 L DZ engines 0.51.5 %
All Audi gasoline straight-4 1.6 L PP engines 0.5 %
All other modifications 0.51 %
CO content at increased idling speed 0.3 %
expand_moreIgnition time
All Audi gasoline straight-4 1.8 L DZ engines 0°00'±2°00' - before TDC + after
TDC
All other modifications -18°00'±2°00' - before TDC + after
TDC
Increased idling speed 25002800 rpm
Lambda value 0.971.03 λ
expand_moreMaximum HC content at idling
All Audi gasoline straight-4 2.0 L 6A engines 100 ppm
All Audi gasoline straight-4 1.6 L PP engines 100 ppm
All other modifications 500 ppm

To reduce environment impact and pass government inspections keep emission parameters at the level prescribed by Audi.

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1991 Audi 80 user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and Audi warranty policy for your region. In some regions DIY service may invalidate your warranty.

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Audi 80 service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 1991 Audi 80 you're not only saving money, but also also improving your technical skills and learning something new.

1991 Audi 80 generations

In 1991 Audi offered 2 generations of the 80. Emission may vary in different generations. Be sure that you are looking at the rigt modification.

Units:
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