This is the engine that made the VW-Audi oil sludge affair famous.
Applies to the engine AGU, ARZ, AUM.
1996–2000. The fault list covers this generation and the engines in it. If the listing gives the exact version, pick it below.

Rudolf Stricker / CC BY-SA 3.0
What to watch for
The list covers the generation, the engines and the transmissions. Once you pick the version, only the faults that apply to it stay.
This is the engine that made the VW-Audi oil sludge affair famous.
Applies to the engine AGU, ARZ, AUM.
The light, magnesium cased MQ200 and the MQ250, sized for higher torque, are the most widespread manual gearboxes in the transverse engine VAG models.
Applies to the transmission MQ200.
The internal springs of the flywheel tire, and the two discs knock against each other.
Applies to the engine AGR, AHF.
The vanes of the variable geometry turbo are glued together by soot and oil arriving through the EGR.
Applies to the engine AHF.
The G62 sensor tells the engine control unit how hot the coolant is.
Applies to the engine AEE, AEH, AGN and 11 more.
From the late nineties to around 2006, petrol engines used a secondary air pump to blow fresh air into the exhaust on a cold start, so the catalytic converter reaches operating temperature faster.
Applies to the engine AEE, AEH, AGN and 8 more.
I · 1996–2000
The fault list opens on the version page.
41 versions
1.6 l · 1598 cm³
AEE · MQ150
1.6 75hp GLX
1997–2000 · GLX
1.6 l · 1598 cm³
AEE · MQ150
1.6 75hp LX
1997–2000 · LX
1.6 l · 1598 cm³
AEH · AKL · MQ150
1.6 100hp GLX
1998–2000 · GLX
1.6 l · 1598 cm³
AKL · AEH · MQ150
1.6 100hp GLX
1997–2000 · GLX
1.6 l · 1598 cm³
AEH · AKL · 01M
1.6 100hp GLX
1997–2000 · GLX
1.6 l · 1598 cm³
AEH · AKL · 01M
1.6 100hp GLX
1998–2000 · GLX
1.6 l · 1598 cm³
AEH · AKL · 01M
1.6 100hp GLX Comfort
1997–2000 · GLX Comfort
1.6 l · 1598 cm³
AEH · AKL · MQ200
1.6 100hp GLX Comfort
1997–2000 · GLX Comfort
1.6 l · 1598 cm³
AEH · AKL · MQ150
1.6 100hp GLX Comfort
1998–2000 · GLX Comfort
1.6 l · 1598 cm³
AEH · AKL · 01M
1.6 100hp GLX Comfort
1998–2000 · GLX Comfort
1.6 l · 1598 cm³
AEH · AKL · MQ150
1.6 100hp LX
1998–2000 · LX
1.6 l · 1598 cm³
AEH · AKL · 01M
1.6 100hp SLX
1997–2000 · SLX
1.6 l · 1598 cm³
AEH · AKL · MQ150
1.6 100hp SLX
1998–2000 · SLX
1.6 l · 1598 cm³
AEH · AKL · 01M
1.6 100hp SLX
1998–2000 · SLX
1.6 l · 1598 cm³
AEH · AKL · MQ150
1.6 100hp SLX
1997–2000 · SLX
1.8 l · 1781 cm³
AGN · MQ200
1.8 20V GLX
1998–2000 · 20V GLX
1.8 l · 1781 cm³
AGN · MQ200
1.8 20V SLX
1997–2000 · 20V SLX
1.8 l · 1781 cm³
AGN · 01M
1.8 20V SLX
1997–2000 · 20V SLX
1.8 l · 1781 cm³
AGN · MQ200
1.8 20V SLX
1998–2000 · 20V SLX
1.8 l · 1781 cm³
AGN · 01M
1.8 20V SLX
1998–2000 · 20V SLX
1.8 l · 1781 cm³
AGU · ARX
1.8 20V Turbo L&K
1997–2000 · 20V Turbo L&K
1.8 l · 1781 cm³
AGU · ARX
1.8 20V Turbo L&K
1998–2000 · 20V Turbo L&K
1.8 l · 1781 cm³
AGU · ARX
1.8 20V Turbo L&K
1997–2000 · 20V Turbo L&K
1.8 l · 1781 cm³
AGU · ARZ
1.8 20V Turbo L&K
1998–2000 · 20V Turbo L&K
1.8 l · 1781 cm³
AGU · ARX
1.8 20V Turbo SLX
1997–2000 · 20V Turbo SLX
1.8 l · 1781 cm³
ARX · ARZ
1.8 20V Turbo SLX
1997–2000 · 20V Turbo SLX
1.8 l · 1781 cm³
ARX · AGU
1.8 20V Turbo SLX
1998–2000 · 20V Turbo SLX
1.8 l · 1781 cm³
AGU · ARX
1.8 20V Turbo SLX
1998–2000 · 20V Turbo SLX
1.9 l · 1896 cm³
AGP · MQ150
1.9 SDI LX
1997–2000 · LX
1.9 l · 1896 cm³
AGR
1.9 TDI 90hp GLX
1998–2000 · GLX
1.9 l · 1896 cm³
AGR
1.9 TDI 90hp GLX
1997–2000 · GLX
1.9 l · 1896 cm³
AGR
1.9 TDI 90hp SLX
1997–2000 · SLX
1.9 l · 1896 cm³
AGR
1.9 TDI 90hp SLX
1998–2000 · SLX
1.9 l · 1896 cm³
AHF
1.9 TDI 110hp L&K
1997–2000 · L&K
1.9 l · 1896 cm³
AHF
1.9 TDI 110hp L&K
1998–2000 · L&K
1.9 l · 1896 cm³
AHF
1.9 TDI 110hp SLX
1998–2000 · SLX
1.9 l · 1896 cm³
AHF
1.9 TDI 110hp SLX
1997–2000 · SLX
2.0 l · 1984 cm³
APK · AQY · MQ200
2.0 SLX
1998–2000 · SLX
2.0 l · 1984 cm³
APK · AQY · 01M
2.0 SLX
1998–2000 · SLX
2.0 l · 1984 cm³
AQY · APK · 01M
2.0 SLX
1997–2000 · SLX
2.0 l · 1984 cm³
APK · AQY · MQ200
2.0 SLX
1997–2000 · SLX
Neighbouring generations
I (1U). If the listing is from the changeover year, look at the neighbour too.
Common questions
1996–2000. The changeover year can fall in two generations. If the listing is from that year, look at the neighbour too.
No. It depends on the engine and the transmission too.
The fault list is.
We write the descriptions, and we put the source next to them. A person reviews them before they go out. They are still information, not a technical expert opinion.