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.
2007 Mazda 6 MazdaspeedFACTORY OEM SERVICE PROCEDURE
Resistance Inspection
NOTE:
- Perform the following inspection only when directed.
- Disconnect the MAF/IAT sensor.
- Measure the resistance between the MAF/IAT sensor terminals D and E using a tester.
- If not as specified, replace the MAF/IAT sensor. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION ).
- If the MAF/IAT sensor is normal, but the PID is out of specification, perform the "Circuit Open/Short Inspection".
Specification
TEMPERATURE AND RESISTANCE CHART
| Ambient temperature (°C {°F}) | Resistance (kilohm) |
|---|---|
| -20 {-4} | 13.6-18.4 |
| 20 {68} | 2.21-2.69 |
| 60 {140} | 0.493-0.667 |
Factory Service Tools
Use the Manual With the Right Hardware
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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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