[SOLVED] Dodge P2174 Code: Fast Fix For Low Airflow Issue

The OBD code P2174 for Dodge indicates a system too lean off idle Bank 1. This affects the fuel and air mixture in the engine.

Symptoms include the Engine Light being ON.

Causes may include a restricted air inlet or a faulty Manifold Absolute Pressure (MAP) Sensor.

It is a moderate issue.

A possible fix is to inspect and repair any damaged components or wiring harnesses related to the MAP Sensor or Throttle Position Sensor.

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 Dodge p2174 OBD Code

The Dodge P2174 fault code typically triggers when there is an issue with the system’s fuel control.

Symptoms: Engine Light ON.
Reduced engine power message on the driver information center.
Vehicle may stall or have difficulty starting.
Engine may run rough or hesitate during acceleration.

Causes of the Dodge p2174 OBD Code

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Possible triggers for Dodge code P2174 include a dirty throttle body, vacuum leaks, or a faulty throttle position sensor.

P2174 can be caused by a restricted air inlet.
A faulty Manifold Absolute Pressure (MAP) Sensor.
A Manifold Absolute Pressure Sensor harness that is open or shorted.
A Manifold Absolute Pressure Sensor circuit with a poor electrical connection.
A faulty Throttle Position (TP) Sensor.

Fixing Dodge Error Code p2174 Step By Step

Address the issue by inspecting the throttle body for carbon buildup and cleaning if necessary.

To fix the Dodge OBDII code p2174, start by reviewing the possible causes mentioned above.
Visually examine the corresponding 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.
Clear the fault code from the vehicle’s computer using a scan tool.
Test drive the vehicle to see if the code returns.
If the code persists, further diagnostics may be needed to pinpoint the exact cause of the issue.

Cost Of Fixing Dodge p2174 Fault Code

Diagnosing and repairing Dodge fault code P2174 may involve inspecting the intake system for leaks or blockages.

The cost to diagnose and fix the Dodge OBD code P2174 depends on the estimated 1. 0hour repair time.

Labor rates usually range from $75 to $150 per hour, so the cost could be between $75 and $150, excluding parts.

The final cost may vary based on shop rates, complexity of the issue, and any additional parts needed.

Details of the Dodge p2174 OBD Code

Dodge code P2174 relates to a system running too lean off idle.

Dodge OBD code P2174 means that the system is too lean off idle bank 1. This code is triggered by the Engine Control Module (ECM) based on the oxygen sensor readings indicating a lean airfuel mixture condition on bank 1 of the engine.

This code typically points to a vacuum leak, faulty oxygen sensor, or a problem with the fuel delivery system on bank 1 of the engine.

Mechanic’s Tech Notes

Detailed information on Dodge fault code P2174, including possible causes and diagnostic steps for resolution.

To diagnose and fix OBDII code P2174 on a Dodge, start by checking the throttle actuator control system for any faults.

Use a voltmeter to test the throttle position sensor (TPS) and ensure it’s functioning correctly.

Inspect the wiring harness and connectors for any damage or corrosion.

Verify the throttle body for any carbon buildup or sticking components.

A scan tool can help monitor live data to pinpoint the issue.

If necessary, perform a throttle body relearn procedure.

Reflash the engine control module (ECM) if all other components check out fine.

FAQ

1. What are the common symptoms associated with OBD code P2174 in a Dodge vehicle?

Common symptoms of OBD code P2174 in a Dodge vehicle include Engine Light ON, caused by issues like restricted air inlet or faulty MAP/TP sensors. Fix involves inspecting wiring and connectors.

2. What are the possible causes of OBD code P2174 in a Dodge vehicle?

Possible causes of OBD code P2174 in a Dodge vehicle include a restricted air inlet, faulty MAP sensor, open/shorted MAP sensor harness, poor electrical connection, or faulty TP sensor.

3. How can I diagnose and fix OBD code P2174 in my Dodge vehicle?

Diagnose P2174 in Dodge: Check air inlet, MAP sensor, TP sensor. Inspect wiring for damage, connector pins for issues. Repair as needed.

Wrap Up

If your Dodge is displaying OBD code p2174 along with symptoms like reduced engine power, rough idle, or stalling, it could be caused by a vacuum leak, a faulty throttle actuator control system, or a dirty throttle body.

These issues can lead to incorrect airfuel mixture and trigger the p2174 code.

To address Dodge OBD code p2174, start by inspecting the throttle body for carbon buildup, check for any vacuum leaks in the intake system, and test the throttle position sensor for proper operation.

Additionally, ensure the wiring harness and connectors related to the throttle