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Engine-Codes – Dodge – P0104 Dodge

P0104 Dodge Code - Mass Air Flow Sensor Throttle Angle and Speed

Quick Answer

The P0104 code in a Dodge vehicle indicates a problem with the Mass Air Flow (MAF) sensor throttle angle and speed. Common causes include Dirty or faulty MAF sensor, Vacuum leaks, Wiring or connector issues. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0104 Dodge indicates Mass Air Flow Sensor Throttle Angle and Speed.
Common causes
Common causes include Dirty or faulty MAF sensor, Vacuum leaks, Wiring or connector issues.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code P0104 Dodge Description

The P0104 code in a Dodge vehicle indicates a problem with the Mass Air Flow (MAF) sensor throttle angle and speed. The Mass Air Flow sensor is responsible for measuring the amount of air entering the engine, which is crucial for the engine control unit to adjust the air-fuel mixture for optimal combustion. The throttle angle and speed refer to the position of the throttle valve and how fast it opens or closes, affecting the airflow into the engine.

OBDII Code P0104 Dodge - Mass Air Flow Sensor Throttle Angle and Speed
P0104 Dodge Code - Mass Air Flow Sensor Throttle Angle and Speed

Common Causes of P0104 Dodge

  1. Dirty or faulty MAF sensor
  2. Vacuum leaks
  3. Wiring or connector issues
  4. Faulty throttle position sensor
  5. Engine misfire

Symptoms of P0104 Dodge

  1. Poor acceleration
  2. Rough idling
  3. Stalling
  4. Hesitation during acceleration
  5. Difficulty starting

How to Fix P0104 Dodge

  1. Inspect and clean the MAF sensor
  2. Check for vacuum leaks and repair if necessary
  3. Inspect wiring and connectors for any damage and repair or replace as needed
  4. Test and potentially replace the throttle position sensor
  5. Clear the error code and reset the engine control unit

Cost to Fix P0104 Dodge

The cost of repairing a P0104 code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair cost can range from $100 to $300, including parts and labor. Keep in mind that additional diagnostic time may be needed to pinpoint the exact cause of the problem, which can affect the overall cost. It's recommended to get a personalized quote from a trusted auto repair shop to determine the exact cost for your specific vehicle.

What does this mean?

Tech Notes for P0104 Dodge

Before replacing the Mass Air Flow (MAF) Sensor, try replacing the air filter and cleaning the Mass Air Flow Sensor with low compress air or Mass Air Flow Sensor Cleaner. Reset code and drive vehicle. If the code comes back, you must replace the Mass Air Flow Sensor to fix the problem.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0104 Dodge Code

What does the OBD-II code P0104 mean on a Dodge vehicle?

P0104 indicates an issue with the Mass Air Flow (MAF) sensor circuit, specifically an intermittent signal that impacts throttle angle and vehicle speed readings.

What are the common symptoms of code P0104 in a Dodge?

Symptoms may include poor engine performance, rough idling, hesitation during acceleration, reduced fuel efficiency, and the check engine light turning on.

What causes code P0104 on a Dodge vehicle?

Common causes include a faulty MAF sensor, damaged or loose wiring connections, air leaks in the intake system, or a dirty air filter restricting airflow.

How do I diagnose code P0104 on my Dodge?

Start by inspecting the MAF sensor and its wiring for damage or loose connections, check for intake air leaks, and scan for other related codes that might provide additional clues.

Can I drive my Dodge with code P0104 active?

It's possible to drive with this code, but prolonged driving may lead to reduced engine performance and possible damage to other engine components.

How do I fix code P0104 on a Dodge vehicle?

Repair steps include cleaning or replacing the MAF sensor, fixing damaged wiring or connectors, replacing the air filter, and addressing any air leaks in the intake system.

What tools do I need to fix Dodge code P0104?

You'll need a diagnostic scanner, basic hand tools, a multimeter for testing electrical connections, and possibly MAF sensor cleaner or replacement parts.

How much does it cost to repair code P0104 on a Dodge?

Costs vary based on the issue, but MAF sensor replacement typically costs $150-$300, while cleaning or fixing wiring may be less expensive.

Can a dirty air filter cause code P0104 in a Dodge?

Yes, a dirty or clogged air filter can restrict airflow to the MAF sensor, leading to an intermittent signal and triggering the code.

Does code P0104 require professional repair?

While some fixes, like cleaning the MAF sensor or replacing an air filter, can be done by DIYers, complex wiring issues or sensor replacements may require professional assistance.

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