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.
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HOMESERVICE MANUALSHYUNDAI1991SONATA V6-3.0LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTFUEL DELIVERY AND AIR INDUCTIONAIR FLOW METER/SENSORSERVICE AND REPAIR
1991 Hyundai Sonata V6-3.0L
Air Flow Meter/Sensor: Service and Repair
1991 Hyundai Sonata V6-3.0LSECTION Service and Repair
To replace the Air Flow Sensor, proceed as follows:
Removal:
1. Ensure that the ignition switch is in the OFF position, and disconnect the battery.
Air Flow Sensor Connector Location:
2. Remove the air flow sensor connector, on the air filter housing lid.
Air Flow Sensor Location:
3. Release the clips holding the lid to the air filter housing.
4. Remove the lid with the air flow sensor attached.
5. Locate and remove the attachment bolts (to the lid) and remove the air flow sensor.
Installation:
6. Reattach the air flow sensor to the air filter housing lid.
7. Install the lid on the air filter housing.
8. Reconnect the air flow sensor connector (and the battery if removed).
RENDER: 1.0x
NO RELATED
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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.