in your garage to make future searches easy.

Condition Value
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
expand_moreAll Audi gasoline straight-4 1.8 L APX engines
APX engine 700820 rpm
BAM engine 800920 rpm
expand_moreAll other modifications
AJQ engine 640920 rpm
ARY engine 640840 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 other modifications 00.3 %
expand_moreDelta lambda
expand_moreAll Audi gasoline straight-4 1.8 L APX engines
APX engine 0.03 λ
All other modifications 0.03 λ
expand_moreIncreased idling speed
All other modifications 25002800 rpm
expand_moreLambda sensor design
expand_moreAll other modifications
BAM engine Jump type lambda sensor
Lambda value 0.971.03 λ
Maximum HC content at idling 100 ppm
expand_morePetrol conditioning speed
expand_moreAll Audi gasoline straight-4 1.8 L APX engines
APX engine 25002800 rpm
expand_morePetrol conditioning time
expand_moreAll Audi gasoline straight-4 1.8 L APX engines
APX engine 120 s
expand_moreSpeed for disturbance variable
expand_moreAll Audi gasoline straight-4 1.8 L APX engines
APX engine 7001020 rpm
All other modifications 5401020 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 2001 Audi TT Roadster 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.

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 TT Roadster 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 2001 Audi TT Roadster Quattro you're not only saving money, but also also improving your technical skills and learning something new.

Audi TT Roadster Quattro First generation facelift model years

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