in your garage to make future searches easy.

Condition Value
expand_moreDiesel exhaust gas values
Cut-off control speed 48005200 rpm
Diesel conditioning gas injections 10
from 60° C engine oil temperature
Diesel conditioning speed 48005200 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 automatic gearbox
expand_moreAll Audi gasoline straight-4 1.6 L AEH engines
APF engine 670860 rpm
Otherwise 760880 rpm
expand_moreAll Audi gasoline straight-4 1.8 L AGN engines
AGN engine 760840 rpm
APG engine 660860 rpm
All Audi diesel straight-4 1.9 L AGR engines 860940 rpm
All Audi diesel straight-4 1.9 L AHF engines 860940 rpm
All Audi diesel straight-4 1.9 L ALH engines 860940 rpm
All Audi diesel straight-4 1.9 L ASV engines 860940 rpm
expand_moreAll other modifications
AGU engine 800920 rpm
AQA engine 720840 rpm
ARZ engine 700820 rpm
AUM engine 640840 rpm
expand_moreIdling speed with manual gearbox
expand_moreAll Audi gasoline straight-4 1.6 L AEH engines
APF engine 670860 rpm
Otherwise 760880 rpm
expand_moreAll Audi gasoline straight-4 1.8 L AGN engines
AGN engine 760840 rpm
APG engine 660860 rpm
expand_moreAll Audi gasoline straight-4 1.8 L AGU engines
AGU engine 800920 rpm
AQA engine 800920 rpm
ARZ engine 650850 rpm
AUM engine 640840 rpm
All other modifications 860940 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
expand_moreAll Audi gasoline straight-4 1.8 L AGN engines
AGN engine 00.3 %
APG engine 00.2 %
expand_moreAll Audi gasoline straight-4 1.8 L AGU engines
AUM engine 00.2 %
Otherwise 00.3 %
All other modifications 00.3 %
expand_moreDelta lambda
expand_moreAll Audi gasoline straight-4 1.8 L AGN engines
AGN engine 0.03 λ
All other modifications 0.03 λ
expand_moreIncreased idling speed
expand_moreAll Audi gasoline straight-4 1.6 L AEH engines
APF engine 43004800 rpm
Otherwise 25002800 rpm
expand_moreAll Audi gasoline straight-4 1.8 L AGN engines
AGN engine 25002800 rpm
APG engine 25003000 rpm
expand_moreAll other modifications
AUM engine 25003000 rpm
Otherwise 25002800 rpm
Lambda sensor design wideband sensor
Lambda value 0.971.03 λ
expand_moreMaximum HC content at idling
All other modifications 70 ppm
expand_morePetrol conditioning speed
expand_moreAll Audi gasoline straight-4 1.6 L AEH engines
APF engine 43004800 rpm
Otherwise 25002800 rpm
expand_moreAll Audi gasoline straight-4 1.8 L AGN engines
AGN engine 25002800 rpm
APG engine 25003000 rpm
expand_moreAll other modifications
AUM engine 25003000 rpm
Otherwise 25002800 rpm
Petrol conditioning time 120 s
expand_moreSpeed for disturbance variable
All Audi gasoline straight-4 1.6 L AEH engines 660980 rpm
expand_moreAll Audi gasoline straight-4 1.8 L AGN engines
AGN engine 660940 rpm
All Audi gasoline straight-4 1.6 L AKL engines 660980 rpm
All Audi gasoline straight-4 1.6 L APF engines 660980 rpm
expand_moreAll other modifications
AGU engine 7001020 rpm
expand_moreAQA engine
With automatic gearbox 620940 rpm
With manual transmission 7001020 rpm
expand_moreARZ engine
With automatic gearbox 600920 rpm
With manual transmission 550950 rpm
expand_moreTest speed for lambda sensor signal
expand_moreAll Audi gasoline straight-4 1.6 L AEH engines
APF engine 670860 rpm
expand_moreAll Audi gasoline straight-4 1.8 L AGN engines
APG engine 660860 rpm
expand_moreAll other modifications
AUM engine 640840 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 1997 Audi A3 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 A3 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 1997 Audi A3 you're not only saving money, but also also improving your technical skills and learning something new.

Audi A3 First generation model years

Units:
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