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Citroën C4 III faults

4 faults documented by at least two sources, listed by version then by mileage at onset when known.

Extra caution
Reliability
2.0/5

4 known faults

PureTech 100

  1. Degraded 'wet' timing belt (1.2 PureTech)

    Severity 3/3 · Serious

    On the 1.2 PureTech, the timing belt runs in oil and can break down. Its debris clogs the oil strainer, which causes oil pressure to drop and can destroy the engine. Stellantis extended the belt warranty to 10 years or 175,000 km, subject to servicing conditions, and introduced a new-generation belt in June 2022.

    Versions
    PureTech 100, PureTech 130, PureTech 130 EAT8
    Onset
    not documented
    Repair
    not documented

  2. Oil consumption (1.2 PureTech)

    Severity 2/3 · Costly

    Beyond belt wear, the 1.2 PureTech is known for high oil consumption, which can lead to engine damage if the level is not monitored. According to Caradisiac, engines built from 2023 onward are no longer affected.

    Versions
    PureTech 100, PureTech 130, PureTech 130 EAT8
    Onset
    not documented
    Repair
    not documented

PureTech 130

  1. Degraded 'wet' timing belt (1.2 PureTech)

    Severity 3/3 · Serious

    On the 1.2 PureTech, the timing belt runs in oil and can break down. Its debris clogs the oil strainer, which causes oil pressure to drop and can destroy the engine. Stellantis extended the belt warranty to 10 years or 175,000 km, subject to servicing conditions, and introduced a new-generation belt in June 2022.

    Versions
    PureTech 100, PureTech 130, PureTech 130 EAT8
    Onset
    not documented
    Repair
    not documented

  2. Oil consumption (1.2 PureTech)

    Severity 2/3 · Costly

    Beyond belt wear, the 1.2 PureTech is known for high oil consumption, which can lead to engine damage if the level is not monitored. According to Caradisiac, engines built from 2023 onward are no longer affected.

    Versions
    PureTech 100, PureTech 130, PureTech 130 EAT8
    Onset
    not documented
    Repair
    not documented

PureTech 130 EAT8

  1. Degraded 'wet' timing belt (1.2 PureTech)

    Severity 3/3 · Serious

    On the 1.2 PureTech, the timing belt runs in oil and can break down. Its debris clogs the oil strainer, which causes oil pressure to drop and can destroy the engine. Stellantis extended the belt warranty to 10 years or 175,000 km, subject to servicing conditions, and introduced a new-generation belt in June 2022.

    Versions
    PureTech 100, PureTech 130, PureTech 130 EAT8
    Onset
    not documented
    Repair
    not documented

  2. Oil consumption (1.2 PureTech)

    Severity 2/3 · Costly

    Beyond belt wear, the 1.2 PureTech is known for high oil consumption, which can lead to engine damage if the level is not monitored. According to Caradisiac, engines built from 2023 onward are no longer affected.

    Versions
    PureTech 100, PureTech 130, PureTech 130 EAT8
    Onset
    not documented
    Repair
    not documented

BlueHDi 110

  1. Premature wear of the timing chain (1.5 BlueHDi)

    Severity 3/3 · Serious

    On the 1.5 BlueHDi (DV5), the 7 mm camshaft chain can wear prematurely because of oil carbonisation, then break, causing the engine to stop abruptly; the first sign is a rattle on a cold start. The C4 is among the recalled models (cars built up to 31 January 2023): the chain is replaced by a reinforced 8 mm chain. Stellantis extended the warranty on this chain to 7 years or 180,000 km.

    Versions
    BlueHDi 110, BlueHDi 130 EAT8
    Onset
    not documented
    Repair
    not documented

BlueHDi 130 EAT8

  1. Premature wear of the timing chain (1.5 BlueHDi)

    Severity 3/3 · Serious

    On the 1.5 BlueHDi (DV5), the 7 mm camshaft chain can wear prematurely because of oil carbonisation, then break, causing the engine to stop abruptly; the first sign is a rattle on a cold start. The C4 is among the recalled models (cars built up to 31 January 2023): the chain is replaced by a reinforced 8 mm chain. Stellantis extended the warranty on this chain to 7 years or 180,000 km.

    Versions
    BlueHDi 110, BlueHDi 130 EAT8
    Onset
    not documented
    Repair
    not documented

ë-C4 136

  1. On-board charger failure, 11 kW (ë-C4)

    Severity 2/3 · Costly

    On Stellantis electric vehicles, including the ë-C4, the 11 kW on-board charger supplied by Mahle can fail and prevent any AC charging from a wall box; DC fast charging remains possible. 2020-2022 cars fitted with the original charger are the most exposed.

    Versions
    ë-C4 136
    Onset
    not documented
    Repair
    not documented

No recurring fault documented for: ë-C4 156, Hybrid 136 ë-DCS6.

Price and diagnose repairs

Read fault codes

An OBD scanner plugged in under the steering wheel shows stored fault codes, even with warning lights off: useful during the test drive.

Parts and maintenance

Compare prices of parts for the Citroën C4 III (timing, brakes, filters) to estimate the repairs to plan for.

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