Engine & fuel system
1 documented fault — symptoms, causes and workshop fixes.
Engine malfunction indicator lamp (MIL) illuminated
Overview
- Affects
- All models, →01/01.
Symptoms
Random/single misfire.
Cause
Intermittent connection at multi-plug between accelerator pedal position (APP) sensor and engine control module (ECM).
Repair
- Check for diagnostic trouble codes and delete as necessary.
- Remove multi-plug and join wires permanently by soldering.
Data: Motorwise Workshop. Bulletin 1.
Electrical & ignition
1 documented fault — symptoms, causes and workshop fixes.
SRS warning lamp illuminated
Electrical resistance in seat belt pretensioner multi-plug under driver's or passenger's front seat. Fix: clean and lubricate.
Overview
- Affects
- All models.
- Remedy
- Clean & lubricate
Repair steps
- Ensure ignition switched OFF.
- Check and clean seat belt pretensioner multi-plug contacts.
- Secure harness/multi-plug to seat frame with cable tie.
- Diagnostic equipment required to reset SRS warning lamp.
Data: Motorwise Workshop. Bulletin 3.
Other
1 documented fault — symptoms, causes and workshop fixes.
Creaking noise from fascia
Cause
Fascia upper bolts loose.
Repair
- Tighten fascia upper bolts.
Data: Motorwise Workshop. Bulletin 2.
Glossary
Technical terms used in this guide.
- ECM
- Engine control module — the electronic unit that manages the engine
- Trouble Codes
- Standardised fault codes stored by the engine control module, read with a diagnostic tool
- SRS
- Supplementary restraint system — the airbags and seat-belt pretensioners
- Accelerator Pedal Position
- The sensor that tells the engine control module how far the accelerator is pressed
- Control Module
- A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
- Fascia
- The dashboard and the surrounding interior panel
- Multi-Plug
- A multi-pin electrical connector on a wiring harness
- Misfire
- One or more cylinders not firing correctly — the engine runs roughly or loses power
Frequently asked questions
What are the common faults with the Alfa Romeo GTV 3.0 24V?
This guide contains three workshop bulletins for the Alfa Romeo GTV 3.0 24V. Of these, one concerns the engine and fuel system and one the electrical and ignition. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Alfa Romeo GTV 3.0 24V have these faults?
No. These are patterns documented across the model by workshops, not predictions for an individual vehicle. Where a fault applies only to certain vehicles or VIN ranges, that is listed with the fault.
Can I check for Alfa Romeo GTV 3.0 24V faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.