If the engine intermittently does not start and is cranking OK, it may be the main relay is defective. The main relay can corrode and fail, requiring replacement.
Resources for the Repair and Maintenance of your 1993 Mazda RX-7
1993 Mazda RX-7
1993 Mazda RX-7 Problems
If the ABS light is on intermittently, it may be due to a loose ABS ring on the rear axle. If a loose ABS ring is found during inspection, replacement of the ABS ring and affected drive axle may be necessary.
An oil leak can develop at the rear stationary gear seal and O-ring, at the rear of the engine. Our technicians report that transmission removal is required to gain access to the components.
1993 Mazda RX-7 Recalls (Recent)
Summary: EQUIPMENT DESCRIPTION: MAZDA SPEED RESINOUS HOODS, DESIGNED AND SOLD AS ACCESSORY PARTS FOR MODEL YEAR 1992-1995 RX7 VEHICLES, MANUFACTURED BETWEEN JUNE 1, 1997, THROUGH SEPTEMBER 19, 2000.Learn more »
Summary: 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.Learn more »
Summary: 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.Learn more »