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CHYACHYB

1.0 MPI 60/75 (CHYA/CHYB, 2011-2023) engine: faults and reliability

Volkswagen 1.0 MPI (EA211) version

Buy

None of the reliability sources we consulted (up!, Mii, Citigo, Fabia III) documents a serious or systemic engine fault. The most frequently cited issues -- an occasional cooling system fault on the Citigo and Mii, and isolated oil consumption on the Citigo -- affect a small minority of the cases analysed.[1][2][3][4]

Years
2011–2023
Power
60–75 hp
Faults that affect it
4
0 of high or critical severity
Cars that use it
5
in our database

9 sourcesHow we work

What changes in this version

Original tune of the engine, launched in 2011 with the Volkswagen up!, Seat Mii and Škoda Citigo in two outputs (60 and 75 hp, the same block with different programming). It spread, with no design changes noted in the sources, to the Volkswagen Polo V (April 2014 facelift) and the Škoda Fabia III (from its launch in October 2014), which kept it until the end of that generation.[5][6][7][8][9]

Engine codes of this version: CHYA, CHYB.

Faults of the CHYA engine

The documented engine faults that affect this version and its years, from most to least important.

  1. 1Medium severityFrequency: OccasionalCoolingCooling system fault with engine light and vibrationsThe 1.0 MPI can suffer a cooling system fault, with the engine light on, vibrations and loss of power. It is documented in a minority of cases on the Škoda Citigo and Seat Mii, and the sources do not describe it as systemic or as linked to other cars with this engine.
  2. 2Low severityFrequency: OccasionalLubricationHigher-than-normal oil consumption (most cited on the Seat Ibiza V)The 1.0 MPI can use more oil than normal, especially on the Seat Ibiza V (2 of 5 reviews analysed for the 75 hp version). On the Volkswagen up!, Seat Mii and Škoda Fabia III, with the earlier tune of the same engine, the same pattern is not documented in a comparable proportion.
  3. 3Low severityFrequency: RareTimingTiming belt with no fixed replacement intervalThe 1.0 MPI uses a dry timing belt which, according to the manufacturer, has no fixed replacement interval: it only calls for a visual inspection from 210,000-240,000 km. The sources we consulted document no failure pattern for this belt on any car with this engine.
  4. 4Low severityFrequency: RareElectronicsOccasional sensor or throttle body faults (isolated cases)The Škoda Fabia III with the 1.0 MPI records an isolated case of throttle body failure (at 80,000 km) or lambda sensor failure. These are one-off cases, with no pattern, within a sample the sources describe as mechanically stable.

Cars fitted with the CHYA engine

Open each car to see all its faults with this engine and what to check before buying it.

Seat

Škoda

Volkswagen

Frequently asked questions

Is the CHYA engine reliable?

Our verdict is “Buy”. None of the reliability sources we consulted (up!, Mii, Citigo, Fabia III) documents a serious or systemic engine fault. The most frequently cited issues -- an occasional cooling system fault on the Citigo and Mii, and isolated oil consumption on the Citigo -- affect a small minority of the cases analysed.[1][2][3][4]

What faults does the CHYA engine have?

The documented ones that affect this version, by importance: cooling system fault with engine light and vibrations (medium severity), higher-than-normal oil consumption (most cited on the Seat Ibiza V) (low severity), timing belt with no fixed replacement interval (low severity) and occasional sensor or throttle body faults (isolated cases) (low severity).

Which cars use the CHYA engine?

Volkswagen up! (2011–2023), Seat Mii (2011–2021), Škoda Citigo (2011–2020), Volkswagen Polo V (2014–2017) and Škoda Fabia III (2014–2021).[1][2][3][4][6][7][8][9]

Are you buying a car with the CHYA engine?

We will put you in touch with a partner only if you authorise it in the form.

Do you have a car with this engine? Tell us which faults you have had and at how many kilometres. Report your fault.

Sources

Every fact on this page links to its source. If you find an error, let us know.

  1. Fiabilité et pannes de la Volkswagen UpFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  2. Fiabilité et pannes de la Seat MiiFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  3. Fiabilité et pannes de la Skoda CitigoFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  4. Fiabilité et pannes de la Skoda Fabia 3Fiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  5. VW EA211Wikipedia (alemán) · Other source · consulted 27 September 2026 · in German
  6. Škoda FabiaWikipedia (inglés) · Other source · consulted 27 September 2026
  7. VW Polo VWikipedia (alemán) · Other source · consulted 27 September 2026 · in German
  8. Škoda CitigoWikipedia (inglés) · Other source · consulted 27 September 2026
  9. Volkswagen UpWikipedia (inglés) · Other source · consulted 27 September 2026