Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1993 Mazda RX-7 AutomaticFACTORY OEM SERVICE PROCEDURE
Distributor Sensors
NOTE:
For models not listed in tables, see BASIC DIAGNOSTIC PROCEDURES article for crank angle sensor testing.
DISTRIBUTOR PICK-UP COIL RESISTANCE (1)
| Application | Ohms | ||||
|---|---|---|---|---|---|
| B2200 (Carbureted) | 900-1200 | ||||
| MPV 3.0L | |||||
| Check Ignitor Terminals | |||||
| "COM" & "Ne" | 205-255 | ||||
| "COM" & "G1" | 205-255 | ||||
| "COM" & "G2" | 205-255 | ||||
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CRANK ANGLE SENSOR RESISTANCE
| Application | Ohms |
|---|---|
| MX-3 1.8L (At Crankshaft Pulley) | 520-580 |
| MX-6 & 626 2.5L (At Crankshaft Pulley) | 520-580 |
| RX7 (At Crankshaft Pulley) | 950-1250 |
| 929 (At Crankshaft Pulley) | 950-1250 |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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