1993 Mazda RX-7 problems & reliability
82 owner complaints filed with NHTSA for the 1993 Mazda RX-7. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
3 complaints report injuries (3 injured).
Federal crash records (FARS 2020–2023): 1993 Mazda RX-7 vehicles were involved in 1 fatal crash with 1 occupant death. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine and Engine Cooling | 36 | 44% |
| Fuel System, Gasoline | 18 | 22% |
| Electrical System | 17 | 21% |
| Power Train | 4 | 5% |
| Air Bags | 2 | 2% |
| Fuel System, Other | 2 | 2% |
| Steering | 2 | 2% |
| Structure | 2 | 2% |
| Tires | 2 | 2% |
| Unknown OR Other | 2 | 2% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Complaints by incident year
What owners report
“Tl* the contact owns a 1993 mazda rx-7. The contact heard a loud noise coming from the vehicle while it was parked. The contact discovered that the air bags deployed independently. The vehicle was taken to an independent mechanic; however, the mechanic refused to diagnosis it and advised the contact to go to a dealer…”
Air Bags · filed May 24, 2016
“Drove on highway and vehicle started to smoke. Pulled off an exit, opened hood and flames were coming out from engine compartment. Car is sitting at a garage waiting to be repaired. This is the the 3rd engine in the car, all resulting from overheating or fire. 6/2001- antifreeze fire- issued a used engine 5/2005-…”
Unknown OR Other · filed May 22, 2012
“Tl*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.*ak”
Electrical System · filed Apr 20, 2007
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- TURBOCHARGER MALFUNCTION
Preliminary Evaluation PE94009 · opened Jan 31, 1994 · closed May 24, 1994 · led to recall 94V094000
Technical service bulletins
24 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1993 Mazda RX-7. The 10 most recent:
Radio Unlocking Codes.
MT-002-22 · Service Bulletin/Repair Instructions · issued Feb 24, 2022
In support of the new MRT distribution, Mazda will ship to dealers a new Dual Purpose Diagnostic Leak Detector beginning March, 2019. Training videos will be posted to MGSS shortly and Workshop Manual procedures will be…
00-003-19-3583 · Service Bulletin/Repair Instructions · issued Mar 20, 2019
In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by Federal, and State laws. It is the dealer's…
09-009-19-3566 · Service Bulletin/Repair Instructions · issued Jan 14, 2019
In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by Federal, and State laws. It is the dealer's…
09-034-18-3430a · Service Bulletin/Repair Instructions · issued Oct 10, 2018
In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by Federal, and State laws. It is the dealer's…
09-034-18-3430 · Service Bulletin/Repair Instructions · issued Aug 31, 2018
In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by Federal, and State laws. It is the dealer?s…
09-035-17-3080 · Service Bulletin/Repair Instructions · issued Aug 7, 2017
Speedometer replacement procedure
0900716 · Service Bulletin/Repair Instructions · issued Feb 17, 2016
In accordance with federal regulations, follow the procedure listed below when replacing a speedometer.note: mazda vehicles are manufactured with tamper-proof speedometers. When a speedometer is replaced, the new…
09-034-14-2956 · Service Bulletin/Repair Instructions · issued Aug 15, 2014
Battery test procedure requirements. *tt
0102504 · Service Bulletin/Repair Instructions · issued Jul 21, 2004
Speedometer replacement procedure. *tt
0902604 · Service Bulletin/Repair Instructions · issued Jul 1, 2004
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 1993 Mazda RX-7 in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1993 Mazda RX-7?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.