Illustration1984 MAZDA RX7 WITH ROTARY 13B ENGINE: FUEL SYSTEM PULSATION DAMPER FAILED CAUSING SIGNIFICANT FUEL LEAK ONTO ENGINE. PULSATION DAMPER REQUIRED REPLACEMENT TO CORRECT PROBLEM. OLD PART IS AVAILABLE IF DESIRED. *TR
1984 Mazda RX7
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all RX7 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 2 of 5 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Fuel System, Gasoline. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
1 crash reports3 fire reports1 injury reports
Fuel System, Gasoline complaints
2 reportsEVENTS: STARTED NOTICING A STRONG SMELL OF UNBURNED GASOLINE WHILE DRIVING ON HIGHWAY. PULLED OFF HIGHWAY INTO TOWN STOPPED IN TRAFFIC. SAW A BIT OF SMOKE LEAKING PAST HOOD. GOT OUT OF CAR (QUICKLY). HAD BYSTANDER CALL 911. ASKED BYSTANDER FOR FIRE EXTINGUISHER. EMPTIED CAR (QUICKLY). FIRE EXTINGUISHER APPEARED. DID NOT OPEN HO…
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EVENTS: STARTED NOTICING A STRONG SMELL OF UNBURNED GASOLINE WHILE DRIVING ON HIGHWAY. PULLED OFF HIGHWAY INTO TOWN STOPPED IN TRAFFIC. SAW A BIT OF SMOKE LEAKING PAST HOOD. GOT OUT OF CAR (QUICKLY). HAD BYSTANDER CALL 911. ASKED BYSTANDER FOR FIRE EXTINGUISHER. EMPTIED CAR (QUICKLY). FIRE EXTINGUISHER APPEARED. DID NOT OPEN HOOD, SHOT EXTINGUISHER UP, FROM BELOW THE RADIATOR. FIRE OUT. FAILURE: APPEARS THAT THE FUEL PRESSURE DAMPER STARTED LEAKING. SURMISE THAT DRIVING DOWN THE HIGHWAY WIND KEPT THE FUEL COOL ENOUGH NOT TO IGNITE, BUT, IN TOWN, THE FUEL ACCUMULATED AND GOT HOT ENOUGH TO IGNITE, BURNING WIRES AND CAUSING THE ENGINE TO DIE.. CORRECTION: REPLACE FUEL PRESSURE DAMPER, REPAIR WIRE HARNESS, REPLACE FRONT GRILL, REPAINT HOOD AND FENDERS. MECHANICAL DAMAGE WAS ABOUT $3000 (WIRE HARNESS ALONE WAS ~$1000), PLUS PAINT, ~$3000. OLD FUEL PRESSURE DAMPER STILL AVAILABLE. *TR
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.