KNOWN FAULTS · Alfa Romeo

Known faults for the Alfa Romeo MiTo.

2008–2018 · Petrol / Diesel

Sources are not verified in real time and no entry confirms that your car is affected.

2 known faults with sources

Engines: 1.4 / 1.4 MultiAir (Petrol) · 0.9 TwinAir (Petrol)

MultiAir actuator starved of oil pressureValvetrain (MultiAir actuator)

Engine / equipment: 1.4 MultiAir (naturally aspirated and turbo) and the 0.9 TwinAir, which uses the same system: Fiat 500, Punto, Tipo, 500X; Alfa MiTo and Giulietta; Jeep Renegade and Compass; Abarth
Period mentioned: 2009–2024
Symptoms: Hard or rough cold starts, hesitation, stalling and an engine light with P1523 (low oil pressure in the MultiAir system).
Possible cause described: The intake valves are operated by oil pressure through an electro-hydraulic block. Degraded oil, a low level or a dirty secondary filter starve the system of pressure, and over time the actuator fails internally.
Check for the garage: Change the oil and filter with the correct specification, inspect the MultiAir mesh filter and measure oil pressure before replacing the actuator.
Cost cited in the source: Oil change: the cheapest step and often enough; MultiAir actuator: approx. €650–1,400 (converted from dollars)A rough figure from the original database, not an up-to-date quote.

Engines: 1.3 / 1.6 Multijet (Diesel)

1.3 Multijet chain, DPF and EGRTiming / DPF / EGR

Engine / equipment: 1.3 Multijet / 1.3 JTD / 1.3 CDTI (Fiat Panda, 500, Punto, Doblò; Opel Corsa, Astra, Meriva, Combo; Lancia Ypsilon and Musa; Alfa MiTo; Peugeot Bipper and Citroën Nemo)
Period mentioned: 2003–2020
Symptoms: Chain rattle on cold starts; oil level rising and smelling of diesel; particulate filter warning; power loss from a dirty EGR or the turbo.
Possible cause described: Single-row timing chain that is very sensitive to oil quality and long intervals: it stretches and the tensioner loses pressure, with a risk of breaking. In town use the DPF cannot finish regenerating and diesel dilutes the oil, which speeds up chain and turbo wear.
Check for the garage: Listen to a cold start, check whether the oil is above maximum or smells of diesel, read the DPF status and check the oil change history.
Cost cited in the source: Chain kit: €150–300 in parts plus €600–1,200 labour; DPF cleaning: €200–400A rough figure from the original database, not an up-to-date quote.

Mileage cited in the database: 80,000–120,000 km. This is not a maintenance interval and does not predict a failure.