Audi A1 8X common faults.

2010–2015. The fault list covers this generation and the engines in it. If the listing gives the exact version, pick it below.

What to watch for

What can go wrong on this car?

The list covers the generation, the engines and the transmissions. Once you pick the version, only the faults that apply to it stay.

critical4

1.2 / 1.4 TSI (EA111): timing chain and chain tensioner

critical

A few seconds of chain rattle on a cold start, later a permanent noise; the chain stretches and the tensioner does not hold it.

Applies to the engine CAXA, CBZA, CAVG and 2 more.

1.6 and 2.0 TDI: the EGR cooler leaks internally and coolant disappears without a trace

critical

The EGR cooler cools the recirculated exhaust gas before it enters the intake again, and coolant flows through it while it does so.

Applies to the engine CXMA.

Repair: 600–1,500 EUR

1.6 and 2.0 TDI: the belt driving the oil pump runs in oil and crumbles

critical

On these engines the oil pump is driven by its own small toothed belt, and that belt runs in the hot engine oil.

Applies to the engine CAYB, CAYC.

Repair: 200–600 EUR

Rising oil level: interrupted particulate filter regeneration

critical

On short urban trips the particulate filter cannot burn through.

Applies to the engine CUSB, CXMA.

expensive4

EA189 TDI: EGR valve and particulate filter blocking

expensive

The EGR valve and its cooler block up with soot and oily deposits; the particulate filter cannot regenerate on short urban trips.

Applies to the engine CAYB, CAYC, CFHD.

1.6 TDI (EA189): the water pump driven off the timing belt

expensive

On this engine the water pump is driven by the timing belt, and the plastic impeller of the pump, along with its electronically controlled shut-off ring, is the weak point: the ring sticks, and the impeller separates from the shaft or disintegrates.

Applies to the engine CAYB, CAYC.

DQ200 (7 speed dry DSG): mechatronics

expensive

A thin wall of the mechatronics valve body can crack, which causes a loss of pressure.

Applies to the transmission DQ200.

EA211 (1.0 to 1.5 TSI): water pump and thermostat module leak

expensive

In the EA211 the water pump and the thermostat are one plastic module, and the pump is driven not by the timing belt but by a separate toothed belt behind the exhaust camshaft.

Applies to the engine CPTA, CZCA, CZEA.

12 more faults belong to this generation. On the version page, only the ones that apply stay.

Engines and transmissions in this generation

A fault is often tied to the engine, not to the whole generation. You find the engine code in the registration document.

8X · 2010–2015

Pick the version.

The fault list opens on the version page.

142 versions

EngineVersionPowerFuel · transmissionBody

Showing 60 of 142 versions.

Neighbouring generations

8X · 2010–2015

8X (2010-2015). If the listing is from the changeover year, look at the neighbour too.

Previous generation

This is the earliest.

This generation

8X · 2010–2015

Next generation

8X.5 · 2015–2018

Common questions

About this generation

Which years does this page cover?

2010–2015. The changeover year can fall in two generations. If the listing is from that year, look at the neighbour too.

Does the fault apply to every car like this?

No. It depends on the engine and the transmission too.

Is it free?

The fault list is.

Information, not an expert opinion

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.

A fault on the list does not mean the car you are looking at has it.
A fault missing from the list does not mean the model is fault-free. Write-ups are made model by model. Not all of them are done.
You decide whether to buy. This is no substitute for an inspection. That needs a workshop and a history check.

Details in the terms