in your garage to make future searches easy.

Condition Value
expand_moreDiesel exhaust gas values
Cut-off control speed 46005000 rpm
Diesel conditioning gas injections 10
from 60° C engine oil temperature
Diesel conditioning speed 46005000 rpm
from 60° C engine oil temperature
Maximum K-value 2 1/m
Measuring mode B
Measuring sensor 1
Measuring time 0.5 s
Stoppage time 1 s
expand_moreGeneral exhaust gas values
Diagnostic socket location The diagnostic socket is at the
lower edge of the dashboard on the
driver's side.
expand_moreIdling speed with manual gearbox
All Audi diesel straight-3 1.2 L ANY engines 775975 rpm
All Audi gasoline straight-4 1.4 L AUA engines 650780 rpm
All Audi gasoline straight-4 1.6 L BAD engines 600820 rpm
No adjustment possible
All Audi gasoline straight-4 1.4 L BBY engines 650780 rpm
All other modifications 8401040 rpm
Minimum engine oil temperature at VET 176°F
expand_morePetrol exhaust gas values
CO content at idling speed 00.5 %
expand_moreCO content at increased idling speed
All Audi gasoline straight-4 1.4 L AUA engines 00.3 %
All Audi gasoline straight-4 1.6 L BAD engines 00.2 %
All Audi gasoline straight-4 1.4 L BBY engines 00.3 %
expand_moreIncreased idling speed
All Audi gasoline straight-4 1.4 L AUA engines 25003000 rpm
All Audi gasoline straight-4 1.6 L BAD engines 38004500 rpm
All Audi gasoline straight-4 1.4 L BBY engines 25003000 rpm
Lambda sensor design wideband sensor
Lambda value 0.971.03 λ
Maximum HC content at idling 100 ppm
expand_morePetrol conditioning speed
All Audi gasoline straight-4 1.4 L AUA engines 25003000 rpm
All Audi gasoline straight-4 1.6 L BAD engines 38004500 rpm
All Audi gasoline straight-4 1.4 L BBY engines 25003000 rpm
Petrol conditioning time 120 s
expand_moreTest speed for lambda sensor signal
All Audi gasoline straight-4 1.4 L AUA engines 650780 rpm
All Audi gasoline straight-4 1.6 L BAD engines 600820 rpm
All Audi gasoline straight-4 1.4 L BBY engines 650780 rpm

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 2003 Audi A2 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 A2 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 2003 Audi A2 you're not only saving money, but also also improving your technical skills and learning something new.

2003 Audi A2 generations

In 2003 Audi offered 2 generations of the A2. Emission may vary in different generations. Be sure that you are looking at the rigt modification.

Audi A2 First generation facelift model years

Units:
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