FaultScore

Mazda RX-7 electrical problems

26 of the 205 complaints filed about the Mazda RX-7 are about the electrical system — 13% of everything owners reported. The worst model year for it is 1993.

26

Complaints

13%

Share of all complaints

2

Crashes

14

Fires

Electrical System complaints by model year

1987 RX-7 1 3.8%

Median failure at 86,831 miles

1990 RX-7 1 3.8%
1991 RX-7 1 3.8%

Median failure at 150,000 miles

1993 RX-7 21 80.8%

Median failure at 50,000 miles

1994 RX-7 2 7.7%

Median failure at 82,000 miles

What owners said

1987 Mazda RX-7 at 86,831 miles Eagle Point, OR Fire

ELECTRICAL SYSTEM

VEHICLE CAUGHT ON FIRE IN ENGINE COMPARTMENT FIRE DEPARTMENT PUT IT OUT BEEN SITTING EVER SINCE

NHTSA complaint #11030072 — an unverified report by a vehicle owner.

1991 Mazda RX-7 at 150,000 miles Horn Lake, MS Fire

ELECTRICAL SYSTEM

PULSATION DAMPER FAILURE. LEAKED FUEL. CAUSED ENGINE FIRE.

NHTSA complaint #10579077 — an unverified report by a vehicle owner.

1993 Mazda RX-7 at 50,000 miles Santa Monica, CA Fire

ELECTRICAL SYSTEM

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.

NHTSA complaint #10188435 — an unverified report by a vehicle owner.

1993 Mazda RX-7 at 106,000 miles Morgan, UT Fire

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

DT*: 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 — an unverified report by a vehicle owner.

1993 Mazda RX-7 at 106,000 miles Morgan, UT Fire

ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

DT*: 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 — an unverified report by a vehicle owner.

1993 Mazda RX-7 at 106,000 miles Morgan, UT Fire

ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

DT*: 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 — an unverified report by a vehicle owner.

1993 Mazda RX-7 at 36,500 miles Morgan, UT Fire

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

DT*: 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 — an unverified report by a vehicle owner.

1993 Mazda RX-7 at 36,500 miles Morgan, UT Fire

ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

DT*: 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 — an unverified report by a vehicle owner.

1993 Mazda RX-7 at 36,500 miles Morgan, UT Fire

ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

DT*: 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 — an unverified report by a vehicle owner.

1994 Mazda RX-7 at 82,000 miles Ballwin, MO

ELECTRICAL SYSTEM

CONSUMER STATES: THE COOLING FANS DO NOT COME ON AFTER THE VEHICLE TURNED OFF. THE VEHICLE OVER HEATS UNLESS THE PARKING LIGHTS ARE TURNED ON. IT GET TO HOT BEFORE THE FANS COME ON.

NHTSA complaint #10120639 — an unverified report by a vehicle owner.

1994 Mazda RX-7 Warren, NJ Fire

ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

I WAS ON MY WAY TO WORK, DRIVING UNDER VERY NORMAL CONDITIONS. I HAD THE FOLLOWING ACCESSORIES ON AT THE TIME OF THE FIRE. HEATER, RADIO, REAR DEFROSTER, AND MAYBE THE HEADLIGHTS. I WAS STOPPED AT A TRAFFIC LIGHT WHEN SMOKE STARTED TO COME OUT FROM UNDER THE HOOD. I PULLED OVER TURNED OFF THE CAR AND SLOWLY OPENED THE HOOD TO FIND THE MAIN FUSE BOX (CONNECTED TO THE BATTERY) ON FIRE. THERE WERE FLAMES ABOUT 4-5 INCHES HIGH. I WAS ABLE TO BLOW THE FIRE OUT. I THEN LET THE CAR REST FOR ABOUT 15 MINUTES. AFTER THAT I STARTED THE CAR AND DROVE IT HOME. AFTER THE FIRE, ANY TIME ANY ELECTRICAL ACCESSORY IS TURNED ON (BLINKER, LIGHTS, HEATER, A/C, BRAKES) THE "CHARGE" AND "ABS" WARNING LIGHTS COME ON, AND SO DO THE WARNING LIGHTS BUILT INTO THE OIL PRESSURE, FUEL LEVEL, AND WATER TEMP GAUGES. THE FIRE DAMAGED THE ONE END OF THE FUSE BOX WITH THE 120 AMP FUSE AS WELL AS SOME SURROUNDING WIRES AND CONNECTORS, AND THE UNDERHOOD INSULATION WHICH WAS BURNED BY THE FLAMES.

NHTSA complaint #713471 — an unverified report by a vehicle owner.

1993 Mazda RX-7 Charlottesville, VA Fire

ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

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. *AK 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. *MJS

NHTSA complaint #844477 — an unverified report by a vehicle owner.

1993 Mazda RX-7 Dallas, TX

ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

ALTERNATOR SHORTED OUT AND CAUSED THE CAR TO CATCH ON FIRE.

NHTSA complaint #512430 — an unverified report by a vehicle owner.

1993 Mazda RX-7 Millbrook, NY Crash

ELECTRICAL SYSTEM:HORN

I HOPE I HAVE CONTACTED THE CORRECT WEBSITE ADDRESS. IF NOT PLEASE FORGIVE ME. I HAVE THE OCCASION TO DRIVE MANY DIFFERENT TYPES OF VEHICLES MADE BY MANY MANUFACTURERS, AND FEEL I HAVE FOUND A MAJOR SAFETY SHORTCOMING. ON MORE THAN ONE OCCASION, I HAVE HAD THE NEED TO SOUND THE HORN. THE PROBLEM IS THAT THE HORN BUTTON IS IN A DIFFERENT LOCATION ON EACH CAR. IT IS OFTEN HARD TO FIND AS WELL WHICH CAN BE A PROBLEM WHEN YOU HAVE TO REACT SWIFTLY. I BELIEVE THE NTSA SHOULD STANDARDIZE THE HORN LOCATION AND DESIGN, AND REQUIRE MANUFACTURER'S OF AUTOMOBILES TO COMPLY. THE HORN BUTTON SHOULD BE LARGE ( LIKE A FORD TAURUS NOT LIKE A JEEP GRAND CHEROKEE), EASY TO FIND AND IN THE SAME LOCATION ON ALL VEHICLES. I BELIEVE THIS SAFETY FEATURE WOULD REDUCE ACCIDENTS AND POSSIBLY SAVE LIVES. THANK YOU FOR YOUR CONSIDERATION. .......BRIAN SLOCUM, RT2 BOX163, MILLBROOK, NY 12545.

NHTSA complaint #707570 — an unverified report by a vehicle owner.

1993 Mazda RX-7 Rockville, MD

ELECTRICAL SYSTEM:IGNITION:MODULE

WHEN AIR CONDITONING IS USED VEHICLE STALLS. ALSO THERE IS A LOSS STEERING POWER. COMPUTER MODULE HAS BEEN REPLACED, BUT PROBLEM REMAINS.

NHTSA complaint #825031 — an unverified report by a vehicle owner.

1993 Mazda RX-7 Dallas, TX

ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

ALTERNATOR SHORTED OUT AND CAUSED THE CAR TO CATCH ON FIRE.

NHTSA complaint #512420 — an unverified report by a vehicle owner.

1993 Mazda RX-7 Dallas, TX

ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

ALTERNATOR SHORTENED OUT, CAUSING FIRE.

NHTSA complaint #512346 — an unverified report by a vehicle owner.

1993 Mazda RX-7 Ashland, KY Fire

ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

DROVE VEHICLE ABOUT 3 MILES, ENGINE BEGAN RUNNING ROUGH. WENT BACK HOME AND CUT VEHICLE OFF, SAW SMOKE AND RAISED THE HOOD AND FIRE WAS COMING FROM UNDERNEATH THE HOOD OF VEHICLE.

NHTSA complaint #815261 — an unverified report by a vehicle owner.

1990 Mazda RX-7 West Palm Beach, FL Fire

ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

VEHICLE'S HEADLIGHT LIGHT SWITCH CIRCUIT BOARD MODULE OVERHEATS AND STARTS FIRE.THE LIGHTS TURN AND OFF INTERMITENTLY WITH NO WARNING.THE HEADLIGHT SWITCH IS DEFECTIVE.

NHTSA complaint #814969 — an unverified report by a vehicle owner.

1993 Mazda RX-7 Austin, TX

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

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 — an unverified report by a vehicle owner.

Other Mazda RX-7 problems