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Mazda Diagnostic Codes, Trouble Codes and Descriptions. RX-7 Fuel Injected.

WesTech Auto

Diagnostic Codes

Mazda

Fuel Injected (Before 1995)
RX-7
1 Ignition Coil - Trailing Side (1989-1991).
1 Crank Angle Sensor (1984-1988).
2 Crank Angle Sensor - No Signal.
2 Air Flow Meter (1984-1988).
3 Crank Angle Sensor - G Signal.
3 Water Thermo Sensor (1984-1988).
4 Intake Air Thermo Sensor.
5 Knock Sensor.
5 Oxygen Sensor (1984-1988).
6 Speedometer Sensor.
6 Throttle Sensor (1984-1988).
7 Boost Sensor (With Turbocharger, 1984-1988).
7 Pressure Sensor (Without Turbocharger, 1984-1988).
8 Air Flow Meter.
9 Water Thermo Sensor.
9 Atmospheric Pressure Sensor (1984-1988).
10 Intake Air Thermo Sensor.
11 Intake Air Thermo Sensor (1992-1995).
11 Throttle Sensor - Full Range (1989-1991).
12 Throttle Sensor - Full Range.
12 Coil with Igniter - Trailing Side (1984-1988).
13 Pressure Sensor.
14 Atmospheric Pressure Sensor.
15 Oxygen Sensor.
15 IAT Sensor - Dynamic Chamber or Intake Air Pipe (1984-1988).
16 EGR Switch.
17 Feedback System.
18 Throttle Sensor - Narrow Range.
20 Metering Oil Pump Position Sensor.
23 Fuel Thermo Sensor.
25 Solenoid Valve - Pressure Regulator Control.
26 Metering Oil Pump - Stepping Motor.
27 Metering Oil Pump.
30 Split Air Solenoid Valve.
31 Solenoid Valve - Relief.
32 Solenoid Valve - Switch.
33 Port Air Solenoid Valve.
34 Solenoid Valve - Idle Speed Control.
37 Metering Oil Pump.
38 Solenoid Valve - Accelerated Warm Up System.
39 Solenoid Valve - Relief 2.
40 Solenoid Valve - Purge Control.
42 Solenoid Valve - Turbo Pre Control.
43 Solenoid Valve - Wastegate Control.
44 Solenoid Valve - Turbo Control.
45 Solenoid Valve - Charge Control.
46 Solenoid Valve - Charge Relief.
50 Solenoid Valve - Double Throttle Control.
51 Fuel Pump Relay.
54 Air Pump Relay.
71 Injector - Front Secondary.
73 Injector - Rear Secondary.
76 Slip Lockup Off Signal.
77 Torque Reduced Signal.
The Diagnostic Codes and Explanations are derived from Manufacturer supplied Technical Data. WesTech does not guarantee the accuracy of this Information nor can it be held liable for providing it.
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