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.
1994 Mazda 929FACTORY OEM SERVICE PROCEDURE
Throttle Position (TP) Sensor: Adjustment
- Insert a feeler gauge of specified thickness between throttle lever and throttle stop screw. See TP SENSOR ADJUSTMENT table. Check continuity between TP sensor connector terminals "C" and "D". See Fig 1 .
- If continuity is not as specified, loosen TP sensor mounting screws. Rotate TP sensor until continuity is as specified. Tighten mounting screws. Connect TP sensor connector.
TP SENSOR RESISTANCE
| Application | Ohms | |
|---|---|---|
| Between Terminals "A" & "D" | 3000-6000 | |
| Between Terminals "B" & "D" | ||
| Closed Throttle | 200-600 | |
| Wide Open Throttle | 3300-7000 | |
TP SENSOR ADJUSTMENT
| Test Condition (1) | Continuity Between Terminals "C" & "D" | ||
|---|---|---|---|
| .004" (.1 mm) | Yes | ||
| .008" (.2 mm) | No | ||
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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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