There are 3 owner-reported engine complaints for the 2004 Subaru WRXin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
DURING COLD WEATHER FUEL SMELL COMING FROM ENGINE AND IS LEAKING
WHEN I START MY CAR WHEN IT IS COLD OUT 20 DEGREES OR BELOW MY GAS LINE NEAR THE FUEL RAIL LEAKS ON THE PASSENGER SIDE OF THE ENGINE UNTIL THE CAR WARMS UP. IT LEAKS A LITTLE UP TO ENOUGH TO POOL ON THE ENGINE..IT WORRIES ME BECAUSE IT IS ON THE TURBO SIDE OF THE ENGINE WITH THE EXHAUST WHICH TEMPERATURES CAN REACH UP TO 1500 DEGREES. THE CAR COULD EASILY CATCH FIRE. IT IS A KNOWN PROBLEM IN SUBARU IMPREZA WRX MODELS 02-05 AND HAS BEEN BROUGHT TO SUBARUS ATTENTION MULTIPLE TIMES. *TR
WHEN IN FREEZING TEMPERATURES, MY CAR IS LEAKING GASOLINE IN THE ENGINE COMPARTMENT. GASOLINE FUMES ARE ENTERING THE PASSENGER COMPARTMENT CAUSING NAUSEA,DIZZINESS AND COUGHING (HENCE I AM CLAIMING/CONSIDERING THIS AS PERSONAL INJURY). I CANNOT ALWAYS CLOSE THE EXTERNAL VENT BECAUSE OF FOGGING. THIS HAPPENS ALMOST EVERY TIME THE TEMPERATURE DROPS BELOW FREEZING. WORSE, I AM AFRAID OF THE ENGINE CATCHING FIRE. I WILL TAKE MY CAR TO THE DEALER FOR REPAIRS. I JUST WANT TO REPORT THIS. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026