Windows, power locks, manual locks, doors, trunk, tailgate, mirrors, power and manual seat controls, seat belts, sunroof, convertible top, glass defects.
N/A
No major problem has been reported
Brake pads, brake rotors, brake calipers, anti-lock braking system (ABS), brake lines, brake master cylinder, brake booster, parking brake, brake sensors, regenerative braking system (if applicable).
The 2003 Subaru Impreza has had its fair share of issues, but one notable improvement has been the introduction of improved spark plug wires to tackle misfire problems. These upgraded wires have significantly enhanced the car’s reliability by reducing engine misfires, which were a common headache for many owners. Overall, this upgrade has made a noticeable difference in the driving experience, making the Impreza a more dependable ride.
The 2003 Subaru Impreza is generally a reliable car, but one common issue that pops up is the check engine light due to a failed knock sensor. This problem can affect the cars performance and fuel efficiency, but its usually a straightforward fix. Overall, while its something to keep an eye on, it doesnt overshadow the Imprezas reputation for durability and dependability.
The 2003 Subaru Impreza is known to have some issues with its cooling system, which can lead to head gasket failure. This problem can be a significant concern for owners, as it may result in costly repairs if not addressed promptly. Overall, while the Impreza is generally a reliable car, keeping an eye on the cooling system is crucial to maintaining its longevity.
The 2003 Subaru Impreza has had some issues with the ABS control module, as highlighted in the technical service bulletin. While this problem can be a bit of a headache, it’s not uncommon for cars of this age to have some quirks. Overall, the Impreza is still considered a reliable ride, but it’s worth keeping an eye on the ABS system if you’re driving one.
The 2003 Subaru Impreza has a known issue with engine oil potentially leaking from the camshaft or crankshaft front seals. While this problem can be a hassle, it’s not uncommon for vehicles of this age to experience some wear and tear. Overall, if you’re considering this car, it’s something to keep an eye on, but it doesn’t necessarily overshadow the Impreza’s reputation for reliability.
The 2003 Subaru Impreza is generally a reliable car, but one common issue that pops up is the check engine light due to a failed knock sensor. This problem can affect the car’s performance and fuel efficiency, but it’s usually a straightforward fix. Overall, while it’s something to keep an eye on, it doesn’t overshadow the Impreza’s reputation for durability and dependability.
The 2003 Subaru Impreza has had some issues with the ABS control module, as highlighted in the technical service bulletin. While this problem can be a bit of a headache, it’s not uncommon for cars of this age to have some quirks. Overall, the Impreza is still considered a reliable ride, but it’s worth keeping an eye on the ABS system if you’re driving one.
The 2003 Subaru Impreza has a known issue with engine oil potentially leaking from the camshaft or crankshaft front seals. While this problem can be a hassle, it’s not uncommon for vehicles of this age to experience some wear and tear. Overall, if you’re considering this car, it’s something to keep an eye on, but it doesn’t necessarily overshadow the Impreza’s reputation for reliability.
The 2003 Subaru Impreza is known to have some issues with its cooling system, which can lead to head gasket failure. This problem can be a significant concern for owners, as it may result in costly repairs if not addressed promptly. Overall, while the Impreza is generally a reliable car, keeping an eye on the cooling system is crucial to maintaining its longevity.
Cruise control, keyless entry system, push-button start, wiper motor, warning lights, power mirrors, interior lighting, exterior lighting, dashboard indicators, electronic parking brake, tire pressure monitoring system (TPMS), alarm and security system, remote engine start, heated and ventilated seats, heated steering wheel, wireless charging pad.
The 2003 Subaru Impreza is generally a reliable car, but one issue to keep an eye on is the potential for the oil pump seal to leak. This problem can lead to oil loss and, if not addressed, could cause engine damage over time. Regular maintenance and inspections can help catch this issue early and keep your Impreza running smoothly.
Dashboard rattles, squeaks, wind noise, door seals, weather stripping, water leaks, air leaks, excessive road noise, suspension noise, drivetrain noise, exhaust rattles, engine bay noises.
The 2003 Subaru Impreza is generally a reliable car, but one common issue to watch out for is an oil leak from the rear of the engine. This problem is often caused by a failed plastic oil baffle plate, which can lead to messy leaks and potential engine damage if not addressed. While it’s not a deal-breaker, it’s something to keep an eye on if you’re considering this model.
No major problem has been reported
The 2003 Subaru Impreza is generally a reliable car, but one issue to keep an eye on is the potential for the oil pump seal to leak. This problem can lead to oil loss and, if not addressed, could cause engine damage over time. Regular maintenance and inspections can help catch this issue early and keep your Impreza running smoothly.
The 2003 Subaru Impreza has had some issues with the ABS control module, as highlighted in the technical service bulletin. While this problem can be a bit of a headache, it’s not uncommon for cars of this age to have some quirks. Overall, the Impreza is still considered a reliable ride, but it’s worth keeping an eye on the ABS system if you’re driving one.
The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.
Pressure loss on your vehicle? U3576 flags a Stack Differential Pressure Sensor circuit fault—possible HVAC failure. Scan, inspect wiring, replace sensor.
Coolant mixing valve sensor fault lights up on your vehicle—risking overheating. Scan U3575, test the sensor, and promptly reprogram or replace it.
Coolant temperature spikes or no heat in your vehicle? U3574 signals a faulty Coolant Mixing Valve—run a module scan and arrange reprogramming or replace.
Engine overheating or coolant warning on your vehicle? A faulty coolant mixing valve control circuit can cause temp loss—scan, reprogram or replace now.
Temp gauge spikes and overheating on your vehicle? U3572 means Stack Outlet Coolant Temp Sensor 2 circuit fault—scan or replace to prevent engine damage.
Temp gauge spikes and overheating in your vehicle? Faulty Stack Outlet Coolant Temp Sensor 1 can overheat engine—scan circuit and schedule module repair.
Coolant temperature warning on your vehicle? A Stack Inlet Coolant Temperature Sensor Circuit can cause overheating—scan, test and replace/reprogram.
Warning light or loss of power from your vehicle’s Anode Multifunction Valve? It threatens system reliability—scan the code and replace the valve promptly.
Your vehicle flashes U3568—Anode Multifunction Valve control circuit fault, risking loss of function. Scan, test the circuit, then reprogram or replace.
Power loss or boost warning in your vehicle? A faulty Anode Inlet Pressure Sensor 2 circuit can trigger limp mode—scan, test wiring and replace sensor.
Fuel pressure warning on your vehicle? A faulty Anode Inlet Pressure Sensor 1 circuit can cause erratic fuel delivery—scan the code, test the sensor, an…
Hydrogen pressure warning on your vehicle? Faulty Hydrogen Supply Line A Pressure Sensor 2 circuit can cut fuel‑cell output—scan and replace the sensor.