There are 1 owner-reported electrical system complaints for the 2007 Mazda RX-8in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
COOLANT SENSOR IN THE COOLANT RESERVOIR TANK IS CONTINUOUSLY SHOWING A WARNING LIGHT. COOLANT LEVELS ARE FINE, OIL LEVELS ARE FINE. THE COOLANT WARNING LIGHT STILL SHOWS IN THE DASH. *JS
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 25, 2026