TroubleAtlas Score
SUBARU WRX-STI (2002–2021): Full Technical Specs & OBD2 Diagnostics
Built 2002–2021 · all production years covered on this single page
2.5L H4 Turbo • Gasoline
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TroubleAtlas Score
An independent value score for the Subaru Wrx-Sti (2002–2021) — reliability, safety, cost, parts, upkeep and documentation. Owing nothing to the manufacturer.
Scorecard · each voice 0–10
Reliabilityn/a
Safety & recallsn/a
Repair cost9.3
Parts & repairability3.6
Maintenance & durabilityn/a
Documentation & supportn/a
Independent · Verified · Never for sale
Every figure on this Subaru Wrx-Sti (2002–2021) page is aggregated and cross-checked against more than 6.6 million real workshop operations, NHTSA records and OEM technical sources — and updated continuously. No invented estimates.
The Subaru Wrx-Sti (2002–2021) is powered by a 2.5L H4 Turbo engine. Its OEM tyre size is 215/55 R16. Use the sections below for verified fluids, battery, OEM tyres, the maintenance schedule, recommended parts and the most commonly reported OBD2 fault codes for this vehicle.
Common problems
Common repairs
Fluids & lubricants
Battery
Fault codes (OBD2)
Dashboard lights
Parts comparator
Accessories & tools
Tyres
Recalls & TSB
Complaints
Workshops nearby
COMMON PROBLEMS
Engine overheatingFREQUENT
Engine temperature over limits — check coolant level, thermostat and radiator.
Related codes: P0217
Oil pressure sensor: low signalFREQUENT
ECU detects insufficient oil pressure — check oil level and sensor.
Related codes: P0522
Insufficient oil pressureFREQUENT
Oil pressure below critical threshold — stop the engine and check immediately.
Related codes: P0524
Engine control module (PCM) faultFREQUENT
Faulty ECU processor — requires specialist workshop diagnosis.
Related codes: P0606
Throttle actuatorFREQUENT
Throttle actuator motor circuit open — loss of throttle response.
Related codes: P2100
COMMON REPAIRS
Front brake pads
Difficulty: Easy
0.9h
€63 – €81
Rear brake pads
Difficulty: Easy
1.0h
€70 – €90
Engine oil change
Difficulty: Easy
0.5h
€35 – €45
ABS Module
Difficulty: Medium
2.0h
€140 – €180
AVERAGE INDICATIVE COSTS
Prices may vary by area and workshop.
Full service
€ 120 – € 200
Full brake service
€ 180 – € 300
Spark plug replacement
€ 80 – € 140
Electronic diagnosis
€ 40 – € 70
OFFICIAL LABOUR TIMES (OLP)
Standard labour hours from a database of 6.6M+ real shop operations, with an indicative labour-cost estimate for your country.
Brakes8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| ABS Module | 2.0h | € 90–€ 150 |
| ABS Pump | 2.5h | € 112–€ 187 |
| ABS Tone Ring | 1.5h | € 67–€ 112 |
| ABS Wheel Speed Sensor - Front | 0.8h | € 36–€ 60 |
| ABS Wheel Speed Sensor - Rear | 0.8h | € 36–€ 60 |
| Brake Bleed - All Four | 1.0h | € 45–€ 75 |
| Brake Booster | 2.5h | € 112–€ 187 |
| Brake Booster Check Valve | 0.3h | € 13–€ 22 |
Cooling8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Coolant Bypass Pipe | 1.5h | € 67–€ 112 |
| Coolant Flush | 1.0h | € 45–€ 75 |
| Coolant Reservoir | 0.5h | € 22–€ 37 |
| Coolant Temperature Sensor | 0.5h | € 22–€ 37 |
| Cooling Fan Assembly | 1.0h | € 45–€ 75 |
| Cooling Fan Clutch | 1.0h | € 45–€ 75 |
| Cooling Fan Motor | 1.5h | € 67–€ 112 |
| Cooling Fan Relay | 0.3h | € 13–€ 22 |
Electrical8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Airbag - Driver | 1.0h | € 45–€ 75 |
| Airbag - Passenger | 1.5h | € 67–€ 112 |
| Airbag - Side | 2.0h | € 90–€ 150 |
| Airbag Module/Computer | 1.0h | € 45–€ 75 |
| Alternator | 1.5h | € 67–€ 112 |
| Alternator Belt | 0.5h | € 22–€ 37 |
| Amplifier | 1.5h | € 67–€ 112 |
| Antenna | 0.5h | € 22–€ 37 |
Engine8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Boost Pressure Sensor | 0.5h | € 22–€ 37 |
| Camshaft Position Sensor | 1.0h | € 45–€ 75 |
| Camshaft R&R | 8.0h | € 360–€ 600 |
| Connecting Rod Bearings | 15.0h | € 675–€ 1125 |
| Crankshaft Position Sensor | 1.0h | € 45–€ 75 |
| Crankshaft R&R | 20.0h | € 900–€ 1500 |
| Cylinder Head R&R | 6.0h | € 270–€ 450 |
| Cylinder Head Resurface | 8.0h | € 360–€ 600 |
Exhaust8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Air Injection Check Valve | 0.8h | € 36–€ 60 |
| Catalytic Converter - California | 1.5h | € 67–€ 112 |
| Catalytic Converter - Direct Fit | 1.5h | € 67–€ 112 |
| Catalytic Converter - Universal | 2.0h | € 90–€ 150 |
| Downpipe | 2.0h | € 90–€ 150 |
| EGR Cooler | 3.0h | € 135–€ 225 |
| EGR Tube | 1.5h | € 67–€ 112 |
| EGR Valve | 1.0h | € 45–€ 75 |
Fuel system8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Charcoal Canister | 1.0h | € 45–€ 75 |
| EVAP Purge Valve | 0.8h | € 36–€ 60 |
| EVAP Vent Valve | 0.8h | € 36–€ 60 |
| Fuel Cap | 0.1h | € 4–€ 7 |
| Fuel Filler Neck | 1.5h | € 67–€ 112 |
| Fuel Filter | 0.5h | € 22–€ 37 |
| Fuel Filter - In-Tank | 2.0h | € 90–€ 150 |
| Fuel Injector - Single | 1.0h | € 45–€ 75 |
HVAC8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| AC Accumulator | 1.5h | € 67–€ 112 |
| AC Clutch Coil | 1.5h | € 67–€ 112 |
| AC Compressor | 2.5h | € 112–€ 187 |
| AC Compressor Clutch | 2.0h | € 90–€ 150 |
| AC Compressor Oil Add | 0.5h | € 22–€ 37 |
| AC Condenser | 2.5h | € 112–€ 187 |
| AC Evaporator | 6.0h | € 270–€ 450 |
| AC Expansion Valve (TXV) | 4.0h | € 180–€ 300 |
Steering8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Center Link/Drag Link | 1.5h | € 67–€ 112 |
| Electric Power Steering Module | 1.5h | € 67–€ 112 |
| Electric Power Steering Motor | 2.5h | € 112–€ 187 |
| Idler Arm | 1.0h | € 45–€ 75 |
| Pitman Arm | 1.2h | € 54–€ 90 |
| Power Steering Fluid Flush | 0.5h | € 22–€ 37 |
| Power Steering Gear Box | 3.5h | € 157–€ 262 |
| Power Steering Hose - High Pressure | 1.0h | € 45–€ 75 |
Suspension8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Air Line | 1.0h | € 45–€ 75 |
| Air Spring/Air Bag | 1.5h | € 67–€ 112 |
| Air Suspension Compressor | 1.5h | € 67–€ 112 |
| Air Suspension Height Sensor | 1.0h | € 45–€ 75 |
| Air Suspension Valve Block | 2.0h | € 90–€ 150 |
| Ball Joint - Lower | 1.8h | € 81–€ 135 |
| Ball Joint - Upper | 1.5h | € 67–€ 112 |
| Ball Joints - Upper and Lower | 3.0h | € 135–€ 225 |
Transmission8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Clutch Disc | 6.9h | € 310–€ 517 |
| Clutch Hydraulic Line | 1.5h | € 67–€ 112 |
| Dual Mass Flywheel | 5.5h | € 247–€ 412 |
| Flywheel Replacement | 5.0h | € 225–€ 375 |
| Manual Trans Fluid Change | 0.5h | € 22–€ 37 |
| Pilot Bearing | 6.9h | € 310–€ 517 |
| Pressure Plate | 5.0h | € 225–€ 375 |
| Shift Cable | 1.5h | € 67–€ 112 |
WORKSHOP LABOUR RATES BY COUNTRY
Average independent-workshop hourly labour rates, to estimate repair costs in your country.
🇩🇪Germany€95/h
🇪🇸Spain€55/h
🇫🇷France€75/h
🇮🇹Italy€45/h
🇬🇧UK£80/h
🇺🇸USA$120/h
Reference rate
€45/h
Source: Eurostat 2024
📋 RECALLS & TSB (1)
NHTSA R/2022/259
Reverse Light May Fail Due To Coating On The Switch
Date: 07-09-2022
Reverse light may fail due to coating on the switch.
COMMON OBD2 CODES TO CHECK
P0420
Catalyst System Efficiency Below Threshold Bank 1
Powertrain
P0171
System Too Lean Bank 1
Powertrain
P0300
Random/Multiple Cylinder Misfire Detected
Powertrain
P0441
EVAP Incorrect Purge Flow
Powertrain
P0128
Coolant Thermostat Below Regulating Temperature
Powertrain
P0455
EVAP System Leak Detected (Gross Leak)
Powertrain
P0700
Transmission Control System (MIL Request)
Powertrain
P0507
Idle Air Control System RPM Higher Than Expected
Powertrain
P0174
System Too Lean Bank 2
Powertrain
All documented fault codes for this vehicle
The most documented diagnostic codes for this model, by system and severity. Tap a code for the full guide.
P1244
powertrain
HIGHP1230
powertrain
HIGHP1097
powertrain
MODERATEP1096
powertrain
MODERATEP1095
powertrain
MODERATEP1092
powertrain
MODERATEP1091
powertrain
MODERATEP1090
powertrain
MODERATEP1089
powertrain
LOWP1088
powertrain
LOWP1087
powertrain
LOWP1560
powertrain
LOWP1540
powertrain
MODERATEP1698
powertrain
MODERATEP1094
powertrain
MODERATEP1093
powertrain
MODERATEP1137
powertrain
MODERATEP1131
powertrain
MODERATEP1086
powertrain
LOWP1443
powertrain
LOW
DASHBOARD WARNING LIGHTS — UNIVERSAL GUIDE
53 warning lights classified by urgency. Appears on your vehicle? Check the urgency level.
Show all dashboard warning lights
🔴 IMMEDIATE STOP — pull over
Oil Pressure WarningEngine
Engine Temperature WarningCooling
Brake System WarningBrakes
Immobilizer / Key FaultSecurity
🟠 WARNING — check soon
Malfunction Indicator Light (MIL) / Check EngineEngine
Diesel Particulate Filter (DPF)Emissions
Battery / Charging SystemElectrical
Low Fuel WarningFuel
ABS WarningBrakes
Brake Pad Wear IndicatorBrakes
Electronic Parking Brake (EPB)Brakes
Power Steering WarningSteering
ESC / Stability Control FaultChassis
Tire Pressure Warning (TPMS)Chassis
Transmission Temperature WarningTransmission
Transmission / Gearbox FaultTransmission
Airbag / SRS WarningActive safety
EGR / Exhaust Gas Recirculation FaultEmissions
Catalytic Converter / Emissions FaultEmissions
AdBlue / DEF Level LowEmissions
Coolant Level LowCooling
Hybrid / EV System WarningHybrid
EV Charge System FaultHybrid
12V Battery (Hybrid/EV Auxiliary)Hybrid
Suspension Fault / Air SuspensionSuspension
CAN Bus / Network Communication FaultNetwork
Water in Fuel FilterFuel
Diesel Injector FaultFuel
Steering Angle Sensor FaultSteering
Turbo / Boost Pressure FaultEngine
Regenerative Braking Fault (Hybrid/EV)Hybrid
🟡 MONITOR
Fuel Cap / Evap SystemEmissions
4WD / AWD SystemDrivetrain
Bulb Failure WarningLighting
Headlight Range / Leveling FaultLighting
Service / Maintenance DueMaintenance
A/C System FaultHvac
Clutch Wear WarningTransmission
Cruise Control / ACC FaultADAS
🔵 INFORMATION
Engine Temperature Low (Blue)Cooling
Glow Plug / Diesel PreheatEngine
Traction Control / ESC OffChassis
Seatbelt ReminderActive safety
Rear Fog Light IndicatorLighting
Lane Departure / LDWS WarningADAS
Forward Collision Warning (FCW/AEB)ADAS
Blind Spot Monitor FaultADAS
Rear Parking Sensor / Camera FaultADAS
Windshield Washer Fluid LowMaintenance
Door Open WarningBody
Hood / Trunk Open WarningBody
Gear Shift Indicator (Manual)Transmission
Sport / Performance Mode ActiveTransmission
REPORTED COMPLAINTS & PROBLEMS (NHTSA)
16 owner complaints filed with the U.S. National Highway Traffic Safety Administration (NHTSA) for the Subaru Wrx-Sti across model years 2002–2021. These are real, verified reports submitted by vehicle owners.
1 crash report 2 injuries
Complaints by model year (most reported first)
Model year 20083
Model year 20153
Model year 20092
Model year 20132
Model year 20182
Model year 20101
Model year 20111
Model year 20121
Most reported components (all years)
Unknown Or Other4
Structure3
Service Brakes3
Engine3
Power Train2
Electrical System2
Sample reports
DRIVING DOWN THE ROAD AT APPROX 30MPH, HEARD A NOISE, CAR STALLED AND WOULD NOT START BACK UP, BROUGHT TO SUBARU DEALER WHERE I WAS TOLD IT WAS NOT UNDER WARRANTY DUE TO LACK OF OIL, GOT THE CAR BACK WITH THE ENGINE IN PIECES, FOUND THE… (MY 2015)
TL* THE CONTACT OWNED A 2018 SUBARU WRX STI. WHILE THE CONTACT'S SON WAS DRIVING 5-10 MPH, A 2009 CHEVROLET HHR T-BONED HIS VEHICLE AND PUSHED IT 60 FEET. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE DRIVER SUSTAINED HEAD INJURIES A… (MY 2018)
THE BRAKE PEDAL BRACKET HAS BROKEN ALMOST COMPLETELY IN HALF. IF DRIVING WAS TO BE CONTINUED, THE BRAKES WOULD FAIL TO OPERATE. THIS HAPPENS AFTER REPEATED USE OF THE CLUTCH. (MY 2008)
THE FIREWALL WELDS THAT SUPPORT THE BRAKE MASTER CYLINDER AND THE CLUTCH MASTER CYLINDER ARE MAKING A POPPING SOUND WHEN I RELEASE THE CLUTCH PEDAL. I FOUND ONLINE THAT THIS IS A KNOWN ISSUED WITH THE 2008-2014 MODEL YEAR SUBARU WRX. I… (MY 2009)
Source: NHTSA complaints database (U.S. data.gov). Figures cover production years 2002–2021.
Frequently Asked Questions
Does the Subaru Wrx-sti have any safety recalls?
Yes — 1 official NHTSA recall campaign(s) affect this model, mainly: Reverse Light May Fail Due To Coating On The Switch. Check the recalls section for your exact year/VIN.
What does fault code P0003 mean on the Subaru Wrx-sti?
Fuel Volume Regulator Control Circuit Low This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.
What does fault code P0002 mean on the Subaru Wrx-sti?
Fuel Volume Regulator Control Circuit Range/Performance This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.
What does fault code P0001 mean on the Subaru Wrx-sti?
Fuel Volume Regulator Control Circuit/Open This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.
Are transmission problems common on the Subaru Wrx-sti?
Yes — 5 of 16 real owner reports filed with NHTSA mention the transmission. One owner reported: “FIREWALL FLEXES AFTER REPEATED USE OF CLUTCH, BREAKING SPOT WELDS ON FIREWALL AND RENDERING CLUTCH USELESS. IMPOSSIBLE TO SHIFT GEARS WHEN THIS HAPPENS, AND IF IN GEAR, CAR WILL NOT STOP. TERRIBLE BUR…” See the owner-reported complaints section below for more.
Are brakes problems common on the Subaru Wrx-sti?
Yes — 6 of 16 real owner reports filed with NHTSA mention the brakes. One owner reported: “FIREWALL FLEXES AFTER REPEATED USE OF CLUTCH, BREAKING SPOT WELDS ON FIREWALL AND RENDERING CLUTCH USELESS. IMPOSSIBLE TO SHIFT GEARS WHEN THIS HAPPENS, AND IF IN GEAR, CAR WILL NOT STOP. TERRIBLE BUR…” See the owner-reported complaints section below for more.
What tyres does the Subaru Wrx-Sti (2002–2021) use?
The original OEM tyre size for the Subaru Wrx-Sti (2002–2021) is 215/55 R16. Compatible alternative sizes: ["245/45R19", "245/40R18"]. See the Tyres section on this page to compare offers from the main suppliers.
Which OBD2 fault codes are commonly documented for the Subaru Wrx-Sti (2002–2021)?
Commonly documented OBD2 codes across many vehicles include: P0420, P0300, P0171. Find the full description, likely causes and estimated repair costs in the OBD2 Codes section on this page.
How often should the Subaru Wrx-Sti (2002–2021) be serviced?
Routine maintenance for the Subaru Wrx-Sti (2002–2021) typically includes an oil change every 6,000–9,000 miles (10,000–15,000 km), an air filter every 12,000–18,000 miles (20,000–30,000 km) and a brake inspection every 12,000 miles (20,000 km). Check the full plan with specific intervals in the Scheduled Maintenance section on this page.
Have a specific fault code on your Subaru Wrx-Sti (2002–2021)? Search the code in the OBD2 section of this page or use the full TroubleAtlas DTC database. Need tyres? Compare prices and compatible sizes in the TroubleAtlas comparator.