2004 Mazda RX-8 Engine And Engine Cooling Problems
NHTSA component category: ENGINE AND ENGINE COOLING · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How engine and engine cooling ranks on this vehicle
Share of the 489 complaints citing each category; one complaint can cite several. Full breakdown on the 2004 Mazda RX-8 overview page.
What owners report
“2004 MAZDA RX8 IS EXPERIENCING THE SAME RECALL PROBLEM AS THE 2005-08 MAZDA RX8. THE CONSUMER STATED HIS VEHICLE FAILED EMISSIONS DUE TO AN EVAPORATOR…”NHTSA complaint 10269168 — filed 05/11/2009
“MAZDA HAS REPLACED THE ENGINE IN MY 2004 RX8 3 TIMES IN THE LAST 700 MILES. THEY KEEP SAYING BAD ROTARY ENGINE BUT THIS IS…”NHTSA complaint 10267232 — filed 04/29/2009
“THE CONTACT OWNS A 2004 MAZDA RX-8. WHILE DRIVING BETWEEN 30-40 MPH, THE VEHICLE STALLED AND ALL THE GEARS LOST POWER. THE CONTACT TOOK THE…”NHTSA complaint 10253897 — filed 01/05/2009
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Engine And Engine Cooling complaints by year filed
Frequently asked questions
Does the 2004 Mazda RX-8 have engine and engine cooling problems?
Engine And Engine Cooling is the #4 most-reported problem area on the 2004 Mazda RX-8: 46 of 489 complaints on file (9.4%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2004 Mazda RX-8 have in total?
489 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 17 involved a crash, 10 involved a fire, 15 reported injuries, and none reported deaths.
What does NHTSA's engine and engine cooling category include?
NHTSA assigns each complaint to standard component categories; this page reports the ENGINE AND ENGINE COOLING category exactly as NHTSA defines and records it.
