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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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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