2019 Alfa Romeo Giulia Problems: 15 Known Issues

On the 2017-2026 Alfa Romeo Giulia, 2017+ Giulias can experience sudden engine stall or no-start due to a defective low-pressure fuel pump inside the fuel delivery module. The pump's internal commutator wears prematurely and loses contact, cutting fuel supply at any speed. NHTSA recall 25V-586 (Stellantis campaign 93C) covers free replacement. Symptoms include stalling at idle, no-start hot, and intermittent fuel pump prime noise from the rear of the vehicle. Failures cluster at 30,000-80,000 miles.

On the 2017-2022 Alfa Romeo Giulia, water enters the cowl/firewall area (failed bulkhead gasket, detached fresh-air vent, or clogged A/C evaporator drain) and drips onto the Body Control Module and wiring loom in the passenger footwell. The resulting corrosion and shorts cause wide-ranging, intermittent electrical failures. Owners have reported headlights, brake lights, turn signals, and driver-assist systems all cutting out at speed, plus dead batteries and warning-light storms.

On the 2017-2026 Alfa Romeo Giulia, the Uconnect infotainment system reboots randomly during driving, losing navigation, audio, and phone connectivity. The system can take 30-60 seconds to restart, leaving the driver without backup camera or climate controls.

On the 2017-2021 Alfa Romeo Giulia, owners frequently report the 12V battery draining when the car sits for several days, often traced to modules not sleeping properly, a faulty Intelligent Battery Sensor (IBS), or BCM-related charging logic. Symptoms include battery warning lights after 4-5 days of inactivity, stop-start system failures, and corroded/leaking batteries. Measured parasitic draw stays elevated (250mA+) instead of dropping to a low sleep current.

On the 2017-2019 Alfa Romeo Giulia, recall 19V-148 / V27 concerns certain 2017–2019 Giulia vehicles equipped with Adaptive Cruise Control, sales code NH3. During a specific wheel-slip event with ACC active, the Brake System Module can retain a positive torque request. Normal cancellation may fail and unexpected acceleration can result, creating crash risk without prior warning. Model year or trim name alone does not establish eligibility.

On the 2019-2020 Alfa Romeo Giulia, recall 24V-943 / E0B covers certain 2019–2020 Giulia vehicles built May 30, 2019–February 6, 2020. A loose pedal-to-booster rod connection can separate and cause loss of brake function. The March 11, 2025 report identifies 1,025 Giulias within a 2,021-vehicle combined Giulia/Stelvio population. A driver may notice abnormal noise or an unstable pedal; these are possible signs, not guaranteed advance warning.

On the 2017-2026 Alfa Romeo Giulia, the front brakes produce excessive squeal during light braking and generate heavy brake dust. The aggressive OEM pad compound prioritizes stopping power over noise and dust characteristics.

On the 2017-2019 Alfa Romeo Giulia, the in-tank low-pressure fuel pump assembly can warp/degrade from underhood and operating heat, reducing or stopping fuel flow to the engine. This causes engine fuel starvation, leading to stalling or a sudden loss of motive power (LOMP) while driving, often without warning. NHTSA opened preliminary evaluation PE24-003 and the issue escalated to a full recall (25V586) covering roughly 53,849 Giulia and Stelvio vehicles; Stellantis acknowledged 437+ North American complaints and five crashes in Europe.

On the 2018-2019 Alfa Romeo Giulia, uS recall 19V551 / Alfa Romeo V84 covers selected 2018–2019 Giulia vehicles with affected BCM software. The filing identifies 11,148 Giulias built April 5, 2018–May 29, 2019. With roughly 50–75% fuel, parking on a grade over 10 degrees for approximately 30 minutes can falsely register a refueling event: the gauge adds one or two segments after restart. The excess indication persists until an actual refuel. A driver can then exhaust the fuel while the display still shows some remaining, risking a stall.

On the 2017-2026 Alfa Romeo Giulia 2.0L Turbo I4, the turbocharger coolant supply and return lines develop leaks at the crimped fittings, causing coolant loss and potential overheating. The plastic quick-connect fittings become brittle from heat cycling.

On the 2017-2024 Alfa Romeo Giulia, nHTSA lists 337,128 potentially affected vehicles under recall 24V510 across several models, including certain 2017–2024 Giulias. A disrupted buckle-switch connector can interfere with the restraint system's belt-status signal, so a front seat airbag may not perform as intended in a crash. The manufacturer estimated that 10% of the recall population contained the defect; that is not a count of failed vehicles or an independent NHTSA finding. Listed warnings are an airbag light on and the seat-belt reminder buzzer sounding even with the belt fastened. Verify the VIN even if neither warning is present.

On the 2017-2019 Alfa Romeo Giulia, on the 2.0L turbo four-cylinder, owners report a metallic rattle at cold/hot start, attributed to the timing chain tensioner waiting for oil pressure or, in some cases, a loose wastegate actuator. More seriously, early 2017-2018 engines had an oil pump mounting bolt that could loosen, dropping oil pressure and accelerating chain/actuator wear; some owners found metal particles in the oil. Alfa updated the oil pump on 2019/2020+ engines.

On the 2017-2026 Alfa Romeo Giulia 2.0L Turbo I4, the Giulia Q4 AWD system can develop two related transfer case symptoms with age: a perceptible jolt or slip during light-throttle acceleration in 2nd-3rd gear (output-shaft clutch wear) and a resonant low-frequency rumble at highway speed around 4th-5th gear (worn output bearings). Both are exacerbated by infrequent transfer-case fluid changes. The original 'whining during low-speed turns' description was incorrect — that pattern matches differential wear, not the Q4 transfer case.

On the 2017-2022 Alfa Romeo Giulia, beyond its electrical consequences, the Giulia has a recurring water-leak problem where rain or car-wash water enters via the cowl under the windshield, a failed firewall/bulkhead seal, or a clogged A/C evaporator drain, soaking the passenger footwell carpet. Dealers report seeing the detached fresh-air vent and bulkhead leak repeatedly. Standing water promotes mold, odor, and downstream electronics corrosion.

On the 2017-2021 Alfa Romeo Giulia, the ZF 8-speed automatic, combined with throttle-by-wire and brake-by-wire, can shift harshly or hunt between gears (commonly around 3rd-4th) at low speed and light throttle, and jerk when transitioning off the auto stop-start neutral state. The behavior is exaggerated in Dynamic (D) mode where shift mapping is intentionally aggressive, and worsens when the powertrain is cold.