2003 Audi TT Roadster First generation facelift Emission
in your garage to make future searches easy.
| Condition | Value |
|---|
| Diagnostic socket location | The diagnostic socket is at the lower edge of the dashboard on the driver's side. |
| All Audi gasoline straight-4 1.8 L AUM engines | 640–840 rpm |
| AJQ engine | 640–920 rpm |
| APP engine | 700–820 rpm |
| AUQ engine | 640–840 rpm |
| Minimum engine oil temperature at VET | 176°F |
| CO content at idling speed | 0–0.5 % |
| CO content at increased idling speed | 0–0.3 % |
| All Audi gasoline straight-4 1.8 L AUM engines | 2500–3000 rpm |
| AUQ engine | 2500–3000 rpm |
| Otherwise | 2500–2800 rpm |
| All Audi gasoline straight-4 1.8 L AUM engines | wideband sensor |
| AUQ engine | wideband sensor |
| Lambda value | 0.97–1.03 λ |
| Maximum HC content at idling | 70 ppm |
| All other modifications | 2500–3000 rpm |
| Petrol conditioning time | 120 s |
| All Audi gasoline straight-4 1.8 L AUM engines | 640–840 rpm |
| AUQ engine | 640–840 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 TT Roadster 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.
Table of Contents
- Air Conditioning Compressor Oil Capacity
- Air Conditioning Refrigerant Capacity
- Automatic Transmission Fluid Capacity
- Brake Fluid Capacity
- Cooling Fluid Capacity
- Diagnostic Values
- Engine Oil Capacity
- Fluid and Lubricant Specifications
- Manual Transmission Oil Capacity
- Steering Fluid Capacity
- Brake System Specifications
- Chassis Specifications
- Cooling System Specifications
- Drive Belts Specifications
- Electrical System Specifications
- Emission
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 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 TT Roadster you're not only saving money, but also also improving your technical skills and learning something new.