⚠️ Alfa Romeo manufacturer position

Stellantis prescribes pump-module access for fuel extraction where fitted; running on wrong fuel is misuse and not warranty-covered. Follow ePER / Tech Authority procedures.

Vehicle information

MakeAlfa Romeo
ModelGiulia
Market statusSold new in the UK
Body stylesSaloon
Generations952 Giorgio (2016–present)
Engine optionsPetrol: 2.0 turbo petrol; 2.9 V6 Quadrifoglio
Diesel: 2.2 Multijet diesel
Fuel tank capacity58 litres
Fuel systemStellantis EMP/CMP direct injection petrol or common-rail diesel with AdBlue on SCR diesels
Access methodFuel pump access under rear seat or load floor — consult OEM
Anti-siphonYes — filler neck restrictor on UK models
Service portalAlfa Romeo ePER

Misfuel risk High

Giulia diesel misfuel is a common premium saloon case at UK forecourts.

If the engine was not started

Do not start the engine; Fuel extraction and system flush; replace fuel filter.

If the engine was started

Drain tank, replace filters, inspect high-pressure pump and injectors; diesel SCR faults may need diagnosis after contamination.

Access procedure

  1. Isolate the battery and depressurise the fuel system per Stellantis service information.
  2. Remove rear seat or load-floor trim to reach the pump access panel on the Giulia.
  3. Disconnect pump wiring and fuel quick connectors; contain vapours (COSHH / DSEAR).
  4. Remove the lock ring, lift the sender unit, and extract fuel with approved recovery kit.
  5. Inspect tank, replace filter if contaminated, fit new seal, reconnect and prime before road test.
  6. Dispose of waste fuel via licensed carrier under Environmental Protection Act 1990 duty of care.

Related models

Frequently asked questions

Petrol in Giulia diesel — drive?

No — recovery without cranking protects the common-rail pump.

Giulia QV misfuel?

QV is petrol only — diesel in tank needs immediate extract fuel before starting.

Where is pump access on UK Giulia?

Typically under rear seat — confirm in ePER for your trim and year.

Need professional misfuel recovery?

Find a certified operator or read consumer guidance for your next steps.

Find an operator Consumer guidance

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