The diagnostic socket is at the lower edge of the dashboard on the driver's side.
Idling speed with automatic gearbox
650–750 rpm650–750 rpm650–750 rpm
expand_moreIdling speed with manual gearbox
3.2 V6 with gasoline V6 3.2 L 237 HP at 6200 RPM, 315 N⋅m at 2400 RPM engine (2002.4–)
650–750 rpm650–750 rpm650–750 rpm
3.2 V6 with gasoline vr-6 3.2 L 237 HP engine (2002.4–)
650–750 rpm650–750 rpm650–750 rpm
6.0 W12 4motion with gasoline W12 6.0 L 414 HP engine (2002.4–)
600–800 rpm600–800 rpm600–800 rpm
Minimum engine oil temperature at VET
176°F176°F80°C
expand_morePetrol exhaust gas values
CO content at idling speed
0.5 %0.5 %0.5 %
CO content at increased idling speed
0.3 %0.3 %0.3 %
Increased idling speed
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
expand_moreTest speed for lambda sensor signal
3.2 V6 with gasoline V6 3.2 L 237 HP at 6200 RPM, 315 N⋅m at 2400 RPM engine (2002.4–)
650–750 rpm650–750 rpm650–750 rpm
3.2 V6 with gasoline vr-6 3.2 L 237 HP engine (2002.4–)
650–750 rpm650–750 rpm650–750 rpm
6.0 W12 4motion with gasoline W12 6.0 L 414 HP engine (2002.4–)
600–800 rpm600–800 rpm600–800 rpm
To reduce environment impact and pass government inspections keep emission parameters at the level prescribed by Volkswagen.
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2005 Volkswagen Phaeton 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 Volkswagen warranty policy for your region. In some regions DIY service may invalidate your warranty.
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 Volkswagen Phaeton 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 2005 Volkswagen Phaeton you're not only saving money, but also also improving your technical skills and learning something new.