NHTSA recall 86V042000
Vehicle speed control
Mazda 626
The defect
The throttle angle sensor on the carburetor may contain a nylon rotor which has not been heat treated. rotors that have not been heat treated contract in the presence of heat causing the throttle mechanism to stick. consequence of defect: this may cause the throttle to stick in the open position which may result in loss of control leading to an accident. also,vehicle may not conform with standard 124.
The remedy
Replace throttle angle sensor assemblies with new heat treated rotors with larger inside diameters.