MAZDA 1994 RX7 FD3S PULSATION DAMPENER FAILURE. CAUSED LOSS OF FUEL AND DAMAGE TO WIRE HARNESS. THE FUEL LEAKED ONTO AND INTO THE WIRE HARNESS AND CAUSED THE HARNESS TO BECOME SATURATED, DAMP AND BRITTLE. I ALSO HAD TO PAY TO REPLACE AND INSTALL NEW PULSATION DAMPENER, WIRE HARNESS, INTAKE GASKET AND A FEW OTHER PARTS DO TO THE …
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MAZDA 1994 RX7 FD3S PULSATION DAMPENER FAILURE. CAUSED LOSS OF FUEL AND DAMAGE TO WIRE HARNESS. THE FUEL LEAKED ONTO AND INTO THE WIRE HARNESS AND CAUSED THE HARNESS TO BECOME SATURATED, DAMP AND BRITTLE. I ALSO HAD TO PAY TO REPLACE AND INSTALL NEW PULSATION DAMPENER, WIRE HARNESS, INTAKE GASKET AND A FEW OTHER PARTS DO TO THE PULSATION DAMPENER FAILURE. I ALSO HAD TO PAY FOR LABOR. TOTAL WAS AROUND $1600.00 USD. I AM NOT HAPPY AND I HEAR THIS DAMPER FAILS ALL THE TIME FOR MY LOCAL DEALER. *TR
NHTSA ODI #10212593
Mileage unknown · Apr 10, 2002
Fuel System, Gasoline
I CAME EXTREMELY CLOSE TO AN ENGINE FIRE. MY ENGINE BAY WAS SOAKED WITH FUEL. NOW HALF THE ENGINE HAS TO BE TAKEN OUT IN ORDER TO FIX THIS PROBLEM. I SHOULDNT HAVE TO FIX THIS. THE RX-7 HAS BEEN AROUND LONG ENOUGH TO BE ABLE TO COME UP WITH A SUITABLE FIX FOR THIS PROBLEM. I DONT WANT THIS TO HAPPEN AGAIN. IT IS VERY DANGEROUS. …
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I CAME EXTREMELY CLOSE TO AN ENGINE FIRE. MY ENGINE BAY WAS SOAKED WITH FUEL. NOW HALF THE ENGINE HAS TO BE TAKEN OUT IN ORDER TO FIX THIS PROBLEM. I SHOULDNT HAVE TO FIX THIS. THE RX-7 HAS BEEN AROUND LONG ENOUGH TO BE ABLE TO COME UP WITH A SUITABLE FIX FOR THIS PROBLEM. I DONT WANT THIS TO HAPPEN AGAIN. IT IS VERY DANGEROUS. WHY IS THIS NOT ON THE FUEL SYSTEM RECALL FIX LIST. IT IS KNOW TO FAIL.*AK
NHTSA ODI #760531
Mileage unknown · Mar 7, 2002
Fuel System, GasolineFire
COMMON FAILURE OF FUEL PLUSATION DAMPER RESULTS IN FUEL LEAK UNDER HOOD AND ENGINE FIRE. SHOULD ISSUE RECALL AND DESIGN STRONG PART.*AK
NHTSA ODI #759069
Mileage unknown · Jan 5, 2001
Fuel System, Gasoline
PULSATION DAMPER ON FUEL RAIL LEAKS FUEL ONTO ENGINE AND WIRING. *AK
OIL MIST CONTAINED IN THE ENGINE INTAKE AIR CAN COLLECT OVER TIME IN THE BRAKE VACUUM CHECK VALVE PREVENTING THE CHECK VALVE FROM OPENING AT THE SPECIFIED PRESSURE REDUCING POWER ASSIST TO THE BRAKES.
Consequence & remedy
Consequence: BRAKE PERFORMANCE CAN BE DIMINISHED INCREASING THE RISK OF A VEHICLE ACCIDENT.
Remedy: DEALERS WILL REPLACE TWO VACUUM HOSES, INCLUDING THE CHECK VALVE, WITH MODIFIED HOSES.
RESIDUAL ENGINE HEAT CAN CAUSE PREMATURE DETERIORATION OF THE FUEL HOSE CAUSING THE HOSE TO LEAK. ALSO, REMOVING AND REINSTALLING THE DETERIORATED FUEL HOSES INCREASES THE LIKELIHOOD OF A LEAK.
Consequence & remedy
Consequence: THIS CONDITION CAN RESULT IN AN ENGINE COMPARTMENT FIRE.
Remedy: DEALERS WILL INSTALL AN ADDITIONAL CONTROL UNIT FOR THE ELECTRIC COOLING FAN. THE FAN WILL THEN ACTIVATE AFTER THE ENGINE IS TURNED OFF WHEN THE COOLANT EXCEEDS A SPECIFIED TEMPERATURE. THE FUEL HOSES WILL ALSO BE REPLACED WITH REVISED HOSES.
THE RADIATOR CAP PRESSURE RELIEF VALVE RELEASE PRESSURE IS SET TOO HIGH. THIS CAN CAUSE THE COOLANT TO REACH TEMPERATURES THAT EXCEED THE THERMAL DESIGN LIMITS OF SOME COMPONENTS OF THE COOLANT SYSTEM. SHOULD THIS OCCUR, ENGINE COOLANT CAN LEAK COLLECT ON TOP OF THE ENGINE.
Consequence & remedy
Consequence: IF ENGINE COOLANT LEAKS ONTO THE HOT ENGINE EXHAUST MANIFOLD FROM THE TOP OF THE ENGINE, AN ENGINE COMPARTMENT FIRE CAN RESULT.
Remedy: DEALERS WILL INSPECT THE VEHICLES AND IF ANY VEHICLE EXHIBITS COOLANT LEAKAGE OR IF THE COOLANT LEVEL HAS DROPPED TO THE POINT WHERE THE COOLANT LOSS WOULD BE SUFFICIENT TO TRIGGER THE COOLANT LEVEL WARNING SYSTEM, COMPONENTS POTENTIALLY SUBJECT TO DETERIORATION FROM OVERHEATING WOULD BE REPLACED. THESE PARTS INCLUDE THE WATER PUMP BEARING HOUSING, THE WATER LEVEL SENSOR AND RADIATOR UPPER HOSE, THE THERMOSTAT GASKET, AND ALL WATER HOSES LOCATED ABOVE THE ENGINE. IN ADDITION, ALL VEHICLES IN WHICH THOSE COMPONENTS ARE REPLACED WOULD ALSO HAVE THE COOLING SYSTEM AND OTHER SYSTEMS THAT CARRY FLAMMABLE LIQUIDS CHECKED TO MAKE CERTAIN THAT ENGINE OVERHEATING HAD NOT CAUSED ANY PROBLEMS IN THOSE SYSTEMS. ANY IDENTIFIED PROBLEMS WILL BE REPAIRED. THE RADIATOR CAP, FILLER CAP, AND FILLER CAP BODY OF ALL RECALLED VEHICLES WILL BE REPLACED BY NEWLY DESIGNED PARTS.
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
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No exact-year investigations in this snapshot.
1994 Mazda RX-7 Problems, Complaints & Recalls | Skip That Year