2000 Audi A4 Avant Quattro emission

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Condition	Value

expand_moreDiesel exhaust gas values

expand_moreCut-off control speed


All Audi diesel V6 2.5 L AFB engines	4500–5500 rpm4500–5500 rpm4500–5500 rpm
All Audi diesel V6 2.5 L AKN engines	4500–5500 rpm4500–5500 rpm4500–5500 rpm
All other modifications	4800–5200 rpm4800–5200 rpm4800–5200 rpm


Diesel conditioning gas injections	10
from 60° C engine oil temperature

expand_moreDiesel conditioning speed


All Audi diesel V6 2.5 L AFB engines	4500–5500 rpm4500–5500 rpm4500–5500 rpm
from 60° C engine oil temperature
All Audi diesel V6 2.5 L AKN engines	4500–5500 rpm4500–5500 rpm4500–5500 rpm
from 60° C engine oil temperature
All other modifications	4800–5200 rpm4800–5200 rpm4800–5200 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

expand_moreDiagnostic socket location


Audi gasoline V6 2.8 L ATX 188 HP	The diagnostic socket is at the lower edge of the dashboard on the driver's side.
All other modifications	The diagnostic socket is located in the central console next to the ashtray.

expand_moreIdling speed with automatic gearbox

expand_moreAudi diesel straight-4 1.9 L AFN 109 HP


AFN engine	780–900 rpm780–900 rpm780–900 rpm
AVG engine	760–900 rpm760–900 rpm760–900 rpm


Audi gasoline straight-4 1.8 L AFY 114 HP	780–900 rpm780–900 rpm780–900 rpm

expand_moreAudi diesel straight-4 1.9 L AJM 114 HP at 4000 RPM, 285 N⋅m at 1900 RPM


AJM engine	800–940 rpm800–940 rpm800–940 rpm
ATJ engine	860–940 rpm860–940 rpm860–940 rpm

expand_moreAudi gasoline straight-4 1.8 L ADR 123 HP, 173 N⋅m


ADR engine	820–900 rpm820–900 rpm820–900 rpm
APT engine	770–870 rpm770–870 rpm770–870 rpm
ARG engine	770–870 rpm770–870 rpm770–870 rpm


Audi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	680–860 rpm680–860 rpm680–860 rpm
Audi diesel V6 2.5 L AKN 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	680–860 rpm680–860 rpm680–860 rpm

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


AEB engine	820–900 rpm820–900 rpm820–900 rpm
ANB engine	800–920 rpm800–920 rpm800–920 rpm
APU engine	800–920 rpm800–920 rpm800–920 rpm
AWT engine	740–880 rpm740–880 rpm740–880 rpm


Audi gasoline V6 2.6 L ABC 148 HP, 225 N⋅m	680–820 rpm680–820 rpm680–820 rpm

expand_moreAudi gasoline V6 2.4 L AGA 162 HP, 230 N⋅m


AGA engine	670–850 rpm670–850 rpm670–850 rpm
ALF engine	670–850 rpm670–850 rpm670–850 rpm
AML engine	670–770 rpm670–770 rpm670–770 rpm
APS engine	650–770 rpm650–770 rpm650–770 rpm
ARJ engine	650–770 rpm650–770 rpm650–770 rpm


Audi gasoline V6 2.8 L ATX 188 HP	740–860 rpm740–860 rpm740–860 rpm

expand_moreAll other modifications


ACK engine	640–760 rpm640–760 rpm640–760 rpm
ALG engine	620–740 rpm620–740 rpm620–740 rpm
AMX engine	630–770 rpm630–770 rpm630–770 rpm
APR engine	650–750 rpm650–750 rpm650–750 rpm
AQD engine	670–770 rpm670–770 rpm670–770 rpm

expand_moreIdling speed with manual gearbox

expand_moreAudi diesel straight-4 1.9 L AFN 109 HP


AFN engine	780–900 rpm780–900 rpm780–900 rpm
AVG engine	760–900 rpm760–900 rpm760–900 rpm


Audi gasoline straight-4 1.8 L AFY 114 HP	780–900 rpm780–900 rpm780–900 rpm

expand_moreAudi diesel straight-4 1.9 L AJM 114 HP at 4000 RPM, 285 N⋅m at 1900 RPM


AJM engine	800–940 rpm800–940 rpm800–940 rpm
ATJ engine	860–940 rpm860–940 rpm860–940 rpm

expand_moreAudi gasoline straight-4 1.8 L ADR 123 HP, 173 N⋅m


ADR engine	820–900 rpm820–900 rpm820–900 rpm
APT engine	810–910 rpm810–910 rpm810–910 rpm
ARG engine	810–910 rpm810–910 rpm810–910 rpm


Audi diesel V6 2.5 L AKN 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	680–860 rpm680–860 rpm680–860 rpm
Audi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	680–860 rpm680–860 rpm680–860 rpm

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


AEB engine	820–900 rpm820–900 rpm820–900 rpm
ANB engine	740–860 rpm740–860 rpm740–860 rpm
APU engine	740–860 rpm740–860 rpm740–860 rpm
AWT engine	740–880 rpm740–880 rpm740–880 rpm


Audi gasoline V6 2.6 L ABC 148 HP, 225 N⋅m	680–820 rpm680–820 rpm680–820 rpm

expand_moreAudi gasoline V6 2.4 L AGA 162 HP, 230 N⋅m


AGA engine	670–850 rpm670–850 rpm670–850 rpm
ALF engine	670–850 rpm670–850 rpm670–850 rpm
AML engine	670–770 rpm670–770 rpm670–770 rpm
APS engine	650–770 rpm650–770 rpm650–770 rpm
ARJ engine	650–770 rpm650–770 rpm650–770 rpm


Audi gasoline straight-4 1.8 L AJL 177 HP	820–900 rpm820–900 rpm820–900 rpm
Audi gasoline V6 2.8 L ATX 188 HP	640–760 rpm640–760 rpm640–760 rpm

expand_moreAll other modifications


ACK engine	640–760 rpm640–760 rpm640–760 rpm
ALG engine	620–740 rpm620–740 rpm620–740 rpm
AMX engine	630–770 rpm630–770 rpm630–770 rpm
APR engine	650–750 rpm650–750 rpm650–750 rpm
AQD engine	670–770 rpm670–770 rpm670–770 rpm


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

expand_morePetrol exhaust gas values

expand_moreCO content at idling speed


Audi gasoline straight-4 1.8 L AFY 114 HP	0.5 %0.5 %0.5 %
Audi gasoline V6 2.8 L ATX 188 HP	0.5 %0.5 %0.5 %
All other modifications	0–0.5 %0–0.5 %0–0.5 %

expand_moreCO content at increased idling speed


Audi gasoline straight-4 1.8 L AFY 114 HP	0.3 %0.3 %0.3 %
Audi gasoline V6 2.8 L ATX 188 HP	0.3 %0.3 %0.3 %
All other modifications	0–0.3 %0–0.3 %0–0.3 %


Delta lambda	0.03 λ0.03 λ0.03 λ

expand_moreIncreased idling speed

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


AWT engine	2500–3000 rpm2500–3000 rpm2500–3000 rpm
Otherwise	2500–2800 rpm2500–2800 rpm2500–2800 rpm

expand_moreAudi gasoline V6 2.4 L AGA 162 HP, 230 N⋅m


AML engine	2500–3200 rpm2500–3200 rpm2500–3200 rpm
Otherwise	2500–2800 rpm2500–2800 rpm2500–2800 rpm

expand_moreAudi gasoline V6 2.8 L ACK 190 HP at 3200 RPM, 280 N⋅m at 3200 RPM


AMX engine	2500–3200 rpm2500–3200 rpm2500–3200 rpm
Otherwise	2500–2800 rpm2500–2800 rpm2500–2800 rpm


All other modifications	2500–2800 rpm2500–2800 rpm2500–2800 rpm

expand_moreLambda sensor design

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


AWT engine	wideband sensor


Audi gasoline V6 2.4 L ARJ 162 HP	Jump type lambda sensor
Audi gasoline V6 2.4 L APS 162 HP	Jump type lambda sensor
Audi gasoline V6 2.4 L AML 162 HP	Jump type lambda sensor
Audi gasoline V6 2.4 L ALF 162 HP	Jump type lambda sensor
Audi gasoline V6 2.4 L AGA 162 HP, 230 N⋅m	Jump type lambda sensor

expand_moreAll other modifications


AMX engine	Jump type lambda 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

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


AWT engine	2500–3000 rpm2500–3000 rpm2500–3000 rpm

expand_moreAudi gasoline V6 2.4 L AGA 162 HP, 230 N⋅m


AML engine	2500–3200 rpm2500–3200 rpm2500–3200 rpm
Otherwise	2500–2800 rpm2500–2800 rpm2500–2800 rpm

expand_moreAudi gasoline V6 2.8 L ACK 190 HP at 3200 RPM, 280 N⋅m at 3200 RPM


AMX engine	2500–3200 rpm2500–3200 rpm2500–3200 rpm
Otherwise	2500–2800 rpm2500–2800 rpm2500–2800 rpm


All other modifications	2500–2800 rpm2500–2800 rpm2500–2800 rpm

expand_morePetrol conditioning time


Audi gasoline V6 2.6 L ABC 148 HP, 225 N⋅m	60 s60 s60 s
All other modifications	120 s120 s120 s

expand_moreSpeed for disturbance variable

expand_moreAudi gasoline straight-4 1.8 L ADR 123 HP, 173 N⋅m


ADR engine	720–1000 rpm720–1000 rpm720–1000 rpm

expand_moreAPT engine


With automatic gearbox	670–970 rpm670–970 rpm670–970 rpm
With manual transmission	710–1010 rpm710–1010 rpm710–1010 rpm

expand_moreARG engine


With automatic gearbox	670–970 rpm670–970 rpm670–970 rpm
With manual transmission	710–1010 rpm710–1010 rpm710–1010 rpm

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


AEB engine	720–1000 rpm720–1000 rpm720–1000 rpm

expand_moreANB engine


With automatic gearbox	700–1020 rpm700–1020 rpm700–1020 rpm
With manual transmission	640–960 rpm640–960 rpm640–960 rpm

expand_moreAPU engine


With automatic gearbox	700–1020 rpm700–1020 rpm700–1020 rpm
With manual transmission	640–960 rpm640–960 rpm640–960 rpm


Audi gasoline V6 2.6 L ABC 148 HP, 225 N⋅m	580–920 rpm580–920 rpm580–920 rpm

expand_moreAudi gasoline V6 2.4 L AGA 162 HP, 230 N⋅m


AGA engine	570–950 rpm570–950 rpm570–950 rpm
ALF engine	570–950 rpm570–950 rpm570–950 rpm
APS engine	550–870 rpm550–870 rpm550–870 rpm
ARJ engine	550–870 rpm550–870 rpm550–870 rpm


Audi gasoline straight-4 1.8 L AJL 177 HP	720–1000 rpm720–1000 rpm720–1000 rpm

expand_moreAll other modifications


ACK engine	540–860 rpm540–860 rpm540–860 rpm
ALG engine	520–840 rpm520–840 rpm520–840 rpm
APR engine	550–850 rpm550–850 rpm550–850 rpm
AQD engine	570–870 rpm570–870 rpm570–870 rpm

expand_moreTest speed for lambda sensor signal

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


AWT engine	740–880 rpm740–880 rpm740–880 rpm

expand_moreAudi gasoline V6 2.4 L AGA 162 HP, 230 N⋅m


AML engine	670–770 rpm670–770 rpm670–770 rpm


All other modifications	630–770 rpm630–770 rpm630–770 rpm


Voltage swing at test speed	0.3 V0.3 V0.3 V
More than

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 2000 Audi A4 Avant Quattro 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.

Maintenance Items

Service Intervals

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 A4 Avant Quattro 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 2000 Audi A4 Avant Quattro you're not only saving money, but also also improving your technical skills and learning something new.

2000 Audi A4 Avant Quattro B5 facelift Emission

Table of Contents

Conquer your fears and never give up!

Audi A4 Avant Quattro B5 facelift model years

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