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Audi A6 C5 common problems

1 fault documented by at least two sources, listed by version then by mileage at onset when known.

Good choice, check first
Reliability
5.0/5

1 known fault

This guide has not been translated yet: it is shown in its original French version.

2.5 TDI V6 180 quattro Tiptronic

  1. Pompe à gasoil et injecteurs sur les premières années (1997-1999)

    Severity 2/3 · Costly

    CarVerif déconseille les A6 C5 de 1997 à 1999 pour leurs pompes à gasoil fragiles et leurs injecteurs défaillants précocement, et mentionne des campagnes mineures sur le système d'injection avant 2001. Les versions postérieures à 2001 s'en tirent mieux. Un seul site en parle : information à confirmer.

    Single source so far: to be confirmed.

    Versions
    2.5 TDI V6 180 quattro Tiptronic
    Onset
    not documented
    Repair
    not documented

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 Audi A6 C5 (timing, brakes, filters) to estimate the repairs to plan for.

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