There are 1 owner-reported electrical system complaints for the 2004 Subaru Legacyin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
SUDDEN DECELERATION. OCCURRED AT COMPLETE STANDSTILL, 25MPH AND 65MPH, SPEED APPEARS NOT TO BE A FACTOR. CHECK ENGINE LIGHT COMES ON AND CRUISE CONTROL QUITS AND CRUISE LIGHT BLINKS AND ENGINE DEFAULTS TO 1500RPM, ALL HAPPENS SIMULTANEOUSLY, ERGO NO WARNING. COMPLETE LOSS OF GAS PEDAL CONTROL. INTERMITTENT PROBLEM. CAN HAPPEN A FEW TIMES A DAY OR NOTHING FOR A WEEK. TENDS TO HAPPEN MORE FROM A COLD ENGINE START AND WITHIN 3 MILES OF THEE START. VERY DANGEROUS IF ON FREEWAY, ESPECIALLY IN FAST LANE AND PULLING OUT ONTO STREET, ETC. *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