2004 Mazda Mx-5 Miata problems, complaints & recalls
Most-reported problem areas: Engine And Engine Cooling:engine (2) · Wheels (1) · Structure:body (1)
🧭 Reliability snapshot
Compared against other Mazda Mx-5 Miata model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (23)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-08-20 · SA-055-26 · Service Bulletin/Repair Instructions
product quality information (pqi) description service information mt-041/12 is no longer valid. it has been unpublished and superseded by the field quality information report (fqir) reporting system.
Visibility/Wiper 2026-07-29 · 09-022-26 · Service Bulletin/Repair Instructions
this bulletin supersedes the previously issued bulletin(s) listed below. the changes are noted in red text. 09-042/04 12/10/04 description some vehicles may exhibit inoperative electric rear window defroster grid lines, integral antenna concerns causing radio reception issues or terminal tabs pulled
Unknown Or Other 2026-04-21 · SA-029-26 · Service Bulletin/Repair Instructions
this service alert supersedes the previously issued sa listed below: the changes are noted in red. sa-011/24 02/12/24, 06/06/24, 07/29/24 description mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. mazda recommends dealers follow the sch
Unknown Or Other 2025-12-10 · 07-004-25a · Service Bulletin/Repair Instructions
a musty/mildew type odor may come from the vents when the air conditioning (a/c) system is operating. it is most noticeable when the a/c is first turned on. this odor is the result of mold growth in the a/c evaporator/cooling unit which is caused by condensation, dust, and pollen within the cooling
Unknown Or Other 2025-08-14 · SA-036-25 · Service Bulletin/Repair Instructions
when replacing the siriusxm satellite radio unit, a call must be made to inform siriusxm of the existing radio id and the new/replacement sat radio id as soon as possible to ensure the customer leaves the dealership with an active sat radio.
Unknown Or Other 2025-04-25 · 07-004-25 · Service Bulletin/Repair Instructions
a musty/mildew type odor may come from the vents when the air conditioning (a/c) system is operating. it is most noticeable when the a/c is first turned on. this odor is the result of mold growth in the a/c evaporator/cooling unit which is caused by condensation, dust, and pollen within the cooling
Showing the 6 most recent of 23 bulletins. Search all of them free at nhtsa.gov.
What owners report
2017-06-11 · Structure:body · 142,000 mi“the forward frame rails are severely rusted, compromising the function of the bumpers greatly increasing the likelihood of injury in the event of a front collision. corrosion is not readily apparent, suggesting that most people are unaware that their vehicle's safety has been compromised.…”
2008-08-06 · Engine And Engine Cooling · 20,000 mi“the car has a intermittent problem running, it happens without warning. last time it happened i was almost run over by a 18 wheeler. i have mentioned it to the dealer and no recall exists this problem is widespread on this model as noted by members of miat acar clubs. because the manufacturer will not own up to the problem extensive testing has bee…”
2008-08-01 · Fuel System, Gasoline · 4,200 mi“driving my 2004 mazdaspeed miata on the highway and the engine suddenly stalls. the problem was the fuel pump failure. i bought my car new and it has 4,400 miles on it. i had three fuel pump failures since 2004. i complained to the mazda dealer as to why this is happening but they don't have a clue. *tr…”
2008-07-18 · Engine And Engine Cooling:engine · 11,100 mi“car would not accelerate. i came to a stop at a toll booth. when i went to pull away the car would hardly accelerate. any amount of throttle would cause the car to bog out. seems very likely a crash could occur if this problem happened at the wrong time. this is specifically a problem with the mazdaspeed model of the mx-5. *tr…”
2007-08-09 · Engine And Engine Cooling:engine · 8,000 mi“tl*the contact owns a 2004 mazda miata. when the contact depressed the accelerator pedal after a stop, the vehicle failed to move. the dealer inspected the vehicle four times, however, they were unable to duplicate the failure. the dealer refused to make any repairs. the failure mileage was 8,000 and current mileage was 23,000.…”
2007-05-25 · Fuel System, Gasoline:delivery:fuel Pump · 1,466 mi“i bought the 04 mazdaspeed miata new in 2/05 and have had problems with it starting since it was new. my last series of starting problems was in 2/07. mazda replaced the fuel pump in 8/06 to hopefully solve the problem but the problem recurred in 9/06. i still have the issue with the car.…”
2004-08-30 · Seat Belts:front · 700 mi“normal driving. seat belt locks. seat belt will not unlock.*ak…”
2004-06-08 · Wheels · 286 mi“on 4/24/2004 while driving southbound on middlebelt road in livonia, mi i heard a loud "pop" and shortly after expirienced a flat tire. the tire had picked up a bolt and the flat was caused by the bolt penatrating the wheel.*ak both the wheel and the tire were replaced. the tire was sent to the manafacture and i have possession of the wheel. t…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.