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.
1986 Mazda RX-7 Base, StandardFACTORY OEM SERVICE PROCEDURE
Airflow Measuring Plate
Using a screwdriver, depress measuring plate fully and measure resistance between terminals on airflow meter connector. See Fig 1 . Refer to AIRFLOW MEASURING PLATE RESISTANCE table for resistance values.
AIRFLOW MEASURING PLATE RESISTANCE (NON-TURBO)
| Terminals | Ohms | |
|---|---|---|
| E1 to Fc | ||
| Plate Fully Closed | No Continuity | |
| Plate Fully Open | 0 | |
| E2 to Vs | ||
| Plate Fully Closed | 50-500 | |
| Plate Fully Open | 50-500 | |
AIRFLOW MEASURING PLATE RESISTANCE (TURBO)
| Terminals | Ohms | |
|---|---|---|
| E1 to Fc | ||
| Plate Fully Closed | No Continuity | |
| Plate Fully Open | 0 | |
| E2 to Vs | ||
| Plate Fully Closed | 200-600 | |
| Plate Fully Open | 20-1000 | |
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.