OBD code P0104 indicates a problem with the Mass Air Flow (MAF) sensor circuit.
Symptoms include the Engine Light ON, engine stall, rough running, excessive fuel consumption, or smoke.
Causes may include a dirty air filter, dirty MAF sensor, intake air leaks, or faulty MAF sensor.
This issue should be addressed promptly to prevent further engine damage.
A possible fix involves inspecting and cleaning the MAF sensor and checking the related wiring and connectors for any damage or corrosion.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 6.67 (Out of 10) |
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Symptoms of the p0104 OBD Code
The vehicle may experience issues related to the Mass Air Flow (MAF) sensor circuit malfunction.
- With OBD code P0104, the engine light may be ON.
- Engine stall can occur.
- The engine may run rough.
- Excessive fuel consumption might be noticed.
- Excessive smoke from the exhaust could be present.
Causes of the p0104 OBD Code
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Possible triggers for fault code P0104 include issues with the Mass Air Flow (MAF) sensor.
- P0104 can be caused by a Dirty Air Filter.
- A Dirty Mass Air Flow (MAF) Sensor.
- Intake air leaks.
- A Faulty Mass Air Flow Sensor.
- The Mass Air Flow Sensor harness is open or shorted.
- Or the Mass Air Flow Sensor circuit has a poor electrical connection.
Fixing Error Code p0104 Step By Step
Address a potential issue with the Mass Air Flow (MAF) sensor circuit for fault code P0104.
- To fix OBDII code P0104, first, review the possible causes related to the code.
- Visually examine the wiring harness and connectors for any damage.
- Check the connector pins for signs of being broken, bent, pushed out, or corroded.
- If any issues are found, repair or replace the damaged components as necessary.
- Reset the engine control module (ECM) to clear the fault code.
- Test drive the vehicle to ensure the code does not return.
Cost Of Fixing p0104 Fault Code
Diagnosing and repairing fault code P0104 typically involves testing and replacing the Mass Air Flow (MAF) sensor.
The cost to diagnose and fix OBD code P0104 typically ranges from $75 to $150, with an estimated repair time of 1. 0 hour.
Costs depend on labor rates, shop fees, and the complexity of the repair needed.
Details of the p0104 OBD Code
P0104 indicates a problem with the Mass Air Flow (MAF) sensor circuit having a low input.
OBD code P0104 means there is a problem with the Mass Air Flow (MAF) sensor circuit.
This code is triggered by the Engine Control Module (ECM) when it detects a high voltage signal from the MAF sensor circuit.
The MAF sensor measures the amount of air entering the engine to help the ECM calculate the correct air/fuel mixture for combustion.
When the voltage signal is higher than expected, the ECM sets code P0104 to indicate a potential issue with the MAF sensor or its circuit.
Mechanic’s Tech Notes
Code P0104 relates to an issue with the Mass Air Flow (MAF) sensor circuit.
OBDII code P0104 relates to an issue with the Mass Air Flow (MAF) sensor circuit.
To diagnose, use a voltmeter to check the MAF sensor’s power and ground circuits for proper voltage and continuity.
Scan tools can help monitor MAF sensor data for anomalies.
Inspect the wiring harness and connectors for any damage, corrosion, or loose connections.
Clean or repair as needed.
If the issue persists, consider replacing the MAF sensor itself.
Remember to clear the code after repairs and test drive to ensure the problem is resolved.
FAQ
OBD code P0104 indicates an issue with the Mass Air Flow (MAF) Sensor circuit. Check for dirty sensor, intake leaks, or faulty wiring/connectors. Inspect and repair as needed.
Common symptoms of OBD code P0104 include Engine Light ON, engine stall, rough running, excessive fuel consumption, and smoke. Causes may include dirty air filter or faulty MAF sensor. Fix: Check air filter, MAF sensor, intake leaks, and wiring connections.
Diagnose and fix OBD code P0104 by checking for dirty air filter, MAF sensor issues, intake leaks, or faulty wiring connections. Inspect components and connectors for damage or corrosion.
Wrap Up
If your check engine light is on and your vehicle is experiencing issues with the Mass Air Flow (MAF) sensor, you may see OBDII code P0104. This code typically indicates a problem with the MAF sensor circuit, such as a faulty MAF sensor, damaged wiring, or poor electrical connections.
To address OBDII code P0104, start by inspecting the MAF sensor wiring harness for any signs of damage or corrosion.
Test the sensor’s electrical connectors for proper connection and continuity.
If necessary, replace the MAF sensor with a new unit to resolve the issue
