Hyundai Ioniq: Engine Control System / Mass Air Flow Sensor (MAFS). Repair procedures
| 1. | Check the MAFS visually. | –
| Mounting direction correct. |
| –
| Any contamination, corrosion or damage on connector. |
| –
| Air cleaner's clogging or wet. |
| –
| 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...
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The Parking Distance Warning (Reverse) System may not operate normally when:
Moisture is frozen to the sensor.
The sensor is covered with dirt or debris such as snow or ice, or the sensor
cover is blocked.
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malfunction when:
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TroubleshootingWater Pump
Symptoms
Possible Causes
Remedy
Coolant leakage•
From the bleed hole of the water pumpVisually check•
Check leaks after about ten-minute warming up...
Categories
1. Engine oil filler cap
2. Engine oil dipstick
3. Engine coolant cap
4. Engine coolant reservoir
5. Inverter coolant reservoir
read more
Intake Air Temperature Sensor (IATS). Description and operation