2003 Audi A2 emission

in your garage to make future searches easy.

Condition	Value

expand_moreDiesel exhaust gas values


Cut-off control speed	4600–5000 rpm4600–5000 rpm4600–5000 rpm
Diesel conditioning gas injections	10
from 60° C engine oil temperature
Diesel conditioning speed	4600–5000 rpm4600–5000 rpm4600–5000 rpm
from 60° C engine oil temperature
Maximum K-value	2 1/m2 1/m2 1/m
Measuring mode	B
Measuring sensor	1
Measuring time	0.5 s0.5 s0.5 s
Stoppage time	1 s1 s1 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	775–975 rpm775–975 rpm775–975 rpm
All Audi gasoline straight-4 1.4 L AUA engines	650–780 rpm650–780 rpm650–780 rpm
All Audi gasoline straight-4 1.6 L BAD engines	600–820 rpm600–820 rpm600–820 rpm
No adjustment possible
All Audi gasoline straight-4 1.4 L BBY engines	650–780 rpm650–780 rpm650–780 rpm
All other modifications	840–1040 rpm840–1040 rpm840–1040 rpm


Minimum engine oil temperature at VET	176°F176°F80°C

expand_morePetrol exhaust gas values


CO content at idling speed	0–0.5 %0–0.5 %0–0.5 %

expand_moreCO content at increased idling speed


All Audi gasoline straight-4 1.4 L AUA engines	0–0.3 %0–0.3 %0–0.3 %
All Audi gasoline straight-4 1.6 L BAD engines	0–0.2 %0–0.2 %0–0.2 %
All Audi gasoline straight-4 1.4 L BBY engines	0–0.3 %0–0.3 %0–0.3 %

expand_moreIncreased idling speed


All Audi gasoline straight-4 1.4 L AUA engines	2500–3000 rpm2500–3000 rpm2500–3000 rpm
All Audi gasoline straight-4 1.6 L BAD engines	3800–4500 rpm3800–4500 rpm3800–4500 rpm
All Audi gasoline straight-4 1.4 L BBY engines	2500–3000 rpm2500–3000 rpm2500–3000 rpm


Lambda sensor design	wideband sensor
Lambda value	0.97–1.03 λ0.97–1.03 λ0.97–1.03 λ
Maximum HC content at idling	100 ppm100 ppm100 ppm

expand_morePetrol conditioning speed


All Audi gasoline straight-4 1.4 L AUA engines	2500–3000 rpm2500–3000 rpm2500–3000 rpm
All Audi gasoline straight-4 1.6 L BAD engines	3800–4500 rpm3800–4500 rpm3800–4500 rpm
All Audi gasoline straight-4 1.4 L BBY engines	2500–3000 rpm2500–3000 rpm2500–3000 rpm


Petrol conditioning time	120 s120 s120 s

expand_moreTest speed for lambda sensor signal


All Audi gasoline straight-4 1.4 L AUA engines	650–780 rpm650–780 rpm650–780 rpm
All Audi gasoline straight-4 1.6 L BAD engines	600–820 rpm600–820 rpm600–820 rpm
All Audi gasoline straight-4 1.4 L BBY engines	650–780 rpm650–780 rpm650–780 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.

First generation

Type 8Z0

2003 Audi A2 First generation facelift Emission

Table of Contents

Conquer your fears and never give up!

2003 Audi A2 generations

First generation

Audi A2 First generation facelift model years

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