KNOWN FAULTS · Fiat

Known faults for the Fiat 500L.

2012–2022 · Petrol / Diesel

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

3 known faults with sources

Engines: 1.4 (Petrol)

FIRE head gasket, belt and coilsCylinder head / timing / ignition

Engine / equipment: FIRE 1.1, 1.2 and 1.4 petrol, 8 and 16 valves (Panda, Punto, 500, Doblò, Idea, Linea, Lancia Ypsilon and Musa)
Period mentioned: 2000–2020
Symptoms: Coolant loss, white smoke or mayonnaise-like oil (head gasket); misfires and, if the ECU is damaged, the car will not start or cuts out.
Possible cause described: A very robust engine with three weak points: the head gasket, which fails mostly between 80,000 and 150,000 km if the cooling system is neglected; the timing belt, whose failure bends valves on the 1.1, all 16-valve engines and the 1.2 with VVT; and the ignition coils, which as they degrade can damage the ECU.
Check for the garage: Check the coolant level and oil filler cap, check when the belt was last changed (also by age) and test the coils before they fail.
Cost cited in the source: Ignition coil: €40–60; head gasket and belt: depends on the garageA rough figure from the original database, not an up-to-date quote.

Mileage cited in the database: 80,000–150,000 km. This is not a maintenance interval and does not predict a failure.

Engines: 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.