MAZDA RX7 · model year

1984 MAZDA RX7

5 NHTSA complaints, 1 crash report for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 1984MAZDARX7 carries 5 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 3 fires, 1 injury, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1984 RX7 is electrical system:wiring:front underhood with 2 filings, followed by fuel system, gasoline (2) and electrical system:alternator/generator/regulator (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.

NHTSA currently has 21 investigation files overlapping the 1984 RX7, and 1 remain open. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

5
Complaints
1
Crashes
3
Fires
1
Injuries
0
Deaths

Total Complaints

5 filings

Crashes Reported

1 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD2
FUEL SYSTEM, GASOLINE2
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR1

Recent Complaints

20081118FUEL SYSTEM, GASOLINE

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

Mileage: 52,000

20081115FireFUEL SYSTEM, GASOLINE

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

Mileage: 148,000

20011002FireELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

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

19990717ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

NO SUMMARY LISTED FOR THIS VEHICLE. *AK

19950628CrashFireELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

VEHICLE IMPACTED AT 6:00 POSITION AND 12:00 POSITION, VEHICLE CAUGHT ON FIRE. *AK

Compare 1984MAZDARX7 to Similar Vehicles

NHTSA Investigations 1 Open

View all investigations

Frequently Asked Questions

How many complaints does the 1984 MAZDA RX7 have?
The 1984 MAZDA RX7 has 5 NHTSA complaints, 1 crashes, 3 fires, 1 injuries, and 0 deaths reported.
What are the most common problems with the 1984 MAZDA RX7?
The most-complained component for the 1984 MAZDA RX7 is ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD with 2 complaints. Other frequently reported areas include FUEL SYSTEM, GASOLINE and ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR.
Is the 1984 MAZDA RX7 safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.