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.
Airflow Meter
Visually check airflow meter body for cracks or damage. Using an ohmmeter, check resistance between airflow meter connector terminals. See Fig 1 . See AIRFLOW METER RESISTANCE specification table for resistance values.
| Terminal | Ohms | |||
|---|---|---|---|---|
| E2 to Vs | 50-500 | |||
| E2 to Vref | 200-500 | |||
| E2 to THAa (1) | ||||
| -4°F (-20°C) | 10,000-20,000 | |||
| 32°F (0°C) | 4000-7000 | |||
| 68°F (20°C) | 2000-3000 | |||
| 104°F (40°C) | 900-1300 | |||
| 140°F (60°C) | 400-700 | |||
| E1 to Fc | No Continuity | |||
|
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| Terminal | Ohms | |||
|---|---|---|---|---|
| E2 to Vs | 200-600 | |||
| E2 to Vref | 200-400 | |||
| E2 to THAa (1) | ||||
| -4°F (-20°C) | 10,000-20,000 | |||
| 32°F (0°C) | 4000-7000 | |||
| 68°F (20°C) | 2000-3000 | |||
| 104°F (40°C) | 900-1300 | |||
| 140°F (60°C) | 400-700 | |||
| E1 to Fc | No Continuity | |||
|
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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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