Hyundai - Error Code P0102

Hyundai - Error Code P0102
This P0102 diagnostic trouble code (DTC) means there is excessively low voltage from the sensor is sent to Engine Control Module (ECM)
Causes:
- Faulty Mass Air Flow (MAF) Sensor
- Intake air leaks
- Dirty Mass Air Flow Sensor/Filter
- Electrical short on the Mass Air Flow Sensor harness
- Poor electrical connection on the Mass Air Flow Sensor circuit
Symptoms:
- Engine Light On
- Stalling
- Engine running rough
- Bad fuel economy
- Excessive exhaust smoke smoke
Diagnose & Repair:
-
Inspect the electrical connector to the MAF. Disconnect it and then reinstall to insure fresh electrical connection to remove any corrosion on the contacts.
-
Check for wiring being frayed, damaged, or broken on the connector.
-
Check for vacuum leaks on the intake manifold hose and fittings.
NOTE: This information is not intended as repair advice and we are not responsible for any actions you take on any vehicle.

Hyundai - Error Code P0102
This P0102 diagnostic trouble code (DTC) means there is excessively low voltage from the sensor is sent to Engine Control Module (ECM)
Causes:
- Faulty Mass Air Flow (MAF) Sensor
- Intake air leaks
- Dirty Mass Air Flow Sensor/Filter
- Electrical short on the Mass Air Flow Sensor harness
- Poor electrical connection on the Mass Air Flow Sensor circuit
Symptoms:
- Engine Light On
- Stalling
- Engine running rough
- Bad fuel economy
- Excessive exhaust smoke smoke
Diagnose & Repair:
-
Inspect the electrical connector to the MAF. Disconnect it and then reinstall to insure fresh electrical connection to remove any corrosion on the contacts.
-
Check for wiring being frayed, damaged, or broken on the connector.
-
Check for vacuum leaks on the intake manifold hose and fittings.
NOTE: This information is not intended as repair advice and we are not responsible for any actions you take on any vehicle.

