1993 Mazda RX-7 Electrical system Problems
- Complaints
- 17about this part
- Share
- 21%of 82 total for the year
- Median mileage
- 50,000miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 17 complaints about the electrical system of the 1993 Mazda RX-7, 21% of the 82 complaints for this model year. Where a mileage was given, the median is 50,000 miles. 2 of these say a crash was involved and 6 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact stated the vehicle was started and left idling, upon returning there was fire coming from under the hood. There were no previous problems with the vehicle. Upon inspection the insurance company determined the fire started in the area around the battery and alternator wiring. The fire department filed a report. The fire destroyed the vehicle and the contact's home.”
NHTSA complaint #10149916, filed 2006-02, 106,000 miles“The contact owns a 1993 Mazda rx7. The contact stated that the vehicle was parked when it caught on fire. The local fire department was notified. The contactwas unsure as to what caused the fire, but stated that he smelled gas fumes before the fire occurred. The current and failure mileages were 50,000.”
NHTSA complaint #10188435, filed 2007-04, 50,000 miles“The contact stated the vehicle lost power while going up hill. Later, while the vehicle was parked in a parking lot smoke came from under the hood. After lifting the hood flames came out. The fire was extinguished by a fire extinguisher. The fire department was contacted afterwards to ensure it was contained. Upon inspection the dealership determined the fire started in the area around the battery and alternator wiring. The vehicle is currently at the dealership awaiting repairs.”
NHTSA complaint #10149918, filed 2006-02, 36,500 miles“At stop light noticed brownish/gray smoke coming through vents & from under the hood. Pulled to side & lifted hood. Noticed flames in area of the intake manifold (engine). Fire department called & put flames out. Vehicle was totaled. Reported to mechanic at the dealership that there was a strong odor of gas since jan. 19, 1995, however they were unable to indicate source or find any problem prior to fire.”
NHTSA complaint #844477, filed 1999-09“Leaking battery acid causes a short in a cooling fan motor located directly below the battery causes fires in 1993 and older model Mazda rx-7s. This will not show in a fire investigation, as the insulation will be burned away. This can explain the multiple fires in parked, cool vehicles.”
NHTSA complaint #546744, filed 1997-02Related service bulletins
- 10208555Feb 24, 2022Radio Unlocking Codes.
- 10153339Jan 14, 2019In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by…
- 10118467Aug 7, 2017In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by…
- 10213425Feb 17, 2016Speedometer replacement procedure
Electrical system: other model years
Other parts of the 1993 Mazda RX-7
36 complaintsFuel system
20 complaintsTransmission and drivetrain
4 complaintsAir bags
2 complaintsOther or unknown
2 complaintsSteering
2 complaintsBody and structure
2 complaintsTires
2 complaintsVehicle speed control
2 complaintsBrakes
1 complaintsEngine
1 complaintsEquipment
1 complaints
← All problems reported for the 1993 Mazda RX-7
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology