Hyundai Ioniq: Engine Control System / Mass Air Flow Sensor (MAFS). Repair procedures
| 1. | Check the MAFS visually. | –
| Mounting direction correct. |
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| Any contamination, corrosion or damage on connector. |
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| Air cleaner's clogging or wet. |
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| MAFS cylinder's deforming or blocking by any foreign material. |
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| 2. | Check any leakage on intake system and intercooler system. |
| 1. | Turn the ignition switch OFF and disconnect the battery (-) cable. |
| 2. | Disconnect the mass air flow sensor connector (A) and the installation clamp (B). |
| 3. | Remove the mass air flow sensor (C). 
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| Install the component with the specified torques. |
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| Note that internal damage may occur when the component is dropped. In this case, use it after inspecting. |
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| Be careful not to damage the sensing element and the honey cell. |
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| 1. | Install in the reverse order of removal. Mass air flow sensor installation bolt : 2.9 - 4.9 N.m (0.3 - 0.5 kgf.m, 2.2 - 3.6 lb-ft) Mass air flow sensor clamp installation bolt : 2.9 - 4.9 N.m (0.3 - 0.5 kgf.m, 2.2 - 3.6 lb-ft) |
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DescriptionIntake Air Temperature Sensor (IATS) is included inside Manifold Absolute Pressure Sensor and detects the intake air temperature.To calculate precise air quantity, correction of the air temperature is needed because air density varies according to the temperature...
Other information:
Removal
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In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel. So don’t do any repair work right after engine stops...
C..
Categories
1. Engine oil filler cap
2. Engine oil dipstick
3. Engine coolant cap
4. Engine coolant reservoir
5. Inverter coolant reservoir
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Intake Air Temperature Sensor (IATS). Description and operation