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Engine code

CBZA engine faults.

Listed as: 1.2 TFSI, 1.2 TSI. The faults belong to this engine code. They do not apply to every car with that name.

petrol

fuel

1197 cc

displacement

63 kW (86 HP)

power

2 fault write-ups. Both are important.

Before you buy

Known faults

2 important faults

critical1

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. If the chain jumps, the engine is badly damaged inside, and the repair is a rebuild. The tensioner is driven by oil pressure, so it does not hold with the engine stopped: a car left rolling in gear is the typical trigger for the chain jumping.

between 65,000 and 100,000 km

What to check

  • Start it cold, and in the first 2 to 3 seconds watch for the rattle from the chain side
  • Ask whether the chain and the tensioner have been replaced, and ask for the invoice
  • Check the oil change history in the service book: stretched intervals speed up the wear
1 more steps in the write-up

expensive1

FSI direct injection: intake valve coking

expensive

With direct injection the fuel does not wash the intake valves: the petrol goes into the cylinder, not behind the valve. The oil mist and soot arriving through the EGR and the crankcase ventilation therefore build up on the valve stem and head, and from 80,000 to 100,000 km they restrict the flow. Symptoms are hesitation, loss of power, a rough cold start and misfire. It is not a part failure: it is a consequence of the design, and therefore it comes back. Cleaning (walnut or dry ice blasting) helps for a few tens of thousands of kilometres.

What to check

  • After a cold start watch the idle: rough running and shaking point to coked valves
  • Under load at low revs watch for hesitation
  • With a code reader look for per cylinder misfire (P0300 to P0304)
1 more steps in the write-up

Engine code

Factory data

Factory data

Engine family
EA111
Fuel
petrol
Displacement
1197 cc
Power
63 kW (86 HP)
Production
—

Generations

Which models it is fitted to

10 generations.

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