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.
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HOMESERVICE MANUALSMAZDA1991RX-7 BASE, 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - SYSTEM/COMPONENT TESTSDECELERATION CONTROL SYSTEMDASHPOT ADJUSTMENT (TURBO)
1991 Mazda RX-7 Base, 2D Convertible, Standard
Dashpot Adjustment (Turbo)
1991 Mazda RX-7 Base, 2D Convertible, StandardSECTION Dashpot Adjustment (Turbo)
- Operate engine to normal operating temperature. Stop engine and remove intercooler. Disconnect throttle sensor connector.
- Using ohmmeter, check resistance between terminals "A" and "B" of throttle sensor connector. See Fig 1 . Resistance should be 1800-3800 ohms when dashpot rod moves from throttle lever.
- Loosen lock nut and adjust dashpot to obtain correct resistance reading. Reinstall throttle sensor connector and intercooler.
RENDER: 1.0x
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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.