1984 Mazda RX-7 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 1984 Mazda RX-7, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Electrical360.0%
- Fuel system240.0%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
AFTER PARKING VEHICE SMELLED SMOKE. SOON AFTERWARDS, FLAMES STARTED. SECOND TIME, WHILE TRAVELING SMELED SMOKE INSIDE OF VEHICLE. CONSUMER PULLED VEHICLE OVER, AND NOTICED FIRE UNDER HOOD. CONSUMER PUT FIRE OUT. DEALER HAS BEEN CONTACTED. PLEASE PROVIDE FURHTER INFORMATION.*AK
NO SUMMARY LISTED FOR THIS VEHICLE. *AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
1984 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
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .