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.
1995 Mazda RX-7 AutomaticFACTORY OEM SERVICE PROCEDURE
Crankshaft Position Sensor Resistance
- Disconnect crankshaft position sensor connector. Crankshaft position sensor is a separate unit located at front of crankshaft. Measure resistance between terminals. Refer to the specifications in the CRANKSHAFT POSITION SENSOR RESISTANCE table. Also, see Fig 1 . If resistance is not as indicated, replace the crankshaft position sensor.
- If ignition coil resistance and crankshaft position sensor test okay, check for spark. If spark is still not present, on RX7, go to the IGNITION CONTROL MODULE heading below.
CRANKSHAFT POSITION SENSOR RESISTANCE
| Application | Ohms | Air Gap In. (mm) | ||
|---|---|---|---|---|
| RX7 | (1) 950-1250 | .040-.078 (1-2) | ||
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Factory Service Tools
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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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