The OBD code P0174 for Ford indicates a lean condition in bank 2 of the engine.
This code affects the fuel system.
Symptoms include the Check Engine Light on, increased fuel consumption, and potential rough idling.
Causes may include intake air leaks, faulty oxygen sensor, misfiring, or fuel injector issues.
While not an immediate threat, it can lead to engine damage if left unresolved.
A possible fix involves inspecting and repairing any intake leaks, checking the oxygen sensor, and ensuring proper fuel system operation.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the Ford p0174 OBD Code
Vehicle experiencing lean condition on bank 2, causing rough idle and possible lack of power.
- With Ford OBD code P0174, the Engine Light will be ON.
- Excessive Fuel Consumption may be noticed.
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Causes of the Ford p0174 OBD Code
Possible reasons for Ford P0174 include vacuum leaks, faulty MAF sensor, or fuel delivery issues.
- P0174 can be caused by intake air leaks.
- Faulty front heated oxygen sensor.
- Ignition misfiring.
- Faulty fuel injectors.
- Exhaust gas leaks.
- Incorrect fuel pressure.
- Lack of fuel.
- Faulty Positive Crankcase Ventilation (PCV).
- Faulty Mass Air Flow (MAF) sensor.
- Incorrect PCV hose connection.
Fixing Ford Error Code p0174 Step By Step
Addressing a lean condition on bank 2 by checking for vacuum leaks and inspecting the intake system.
- To fix Ford OBDII code P0174, start by reviewing the possible causes related to a lean condition on bank 2.
- Visually inspect the intake system for vacuum leaks, such as cracked hoses or loose clamps.
- Check the Mass Air Flow (MAF) sensor for dirt or contamination, and clean if necessary.
- Verify the functionality of the oxygen sensors on bank 2 and replace if faulty.
- Reset the Engine Control Module (ECM) to clear the code and monitor the fuel trims for any abnormal readings.
- If the issue persists, consider performing a smoke test to pinpoint any hidden vacuum leaks.
Cost Of Fixing Ford p0174 Fault Code
The repair for Ford P0174 may involve replacing a faulty oxygen sensor or repairing a vacuum leak.
The cost to diagnose and fix a Ford OBD code P0174 typically ranges from $75 to $150 per hour for labor rates.
With an estimated repair time of 1. 0 hour, the total cost can be around $75 to $150, depending on shop rates and the complexity of the diagnostic and repair process.
Details of the Ford p0174 OBD Code
Ford code P0174 indicates a lean condition in bank 2 of the engine.
OBD code P0174 for Ford vehicles indicates a lean condition detected in bank 2 of the engine.
This means that there is too much air and not enough fuel in the airfuel mixture being delivered to the engine cylinders on that side.
The component that triggers this fault code is usually a vacuum leak in the intake system, a faulty mass airflow sensor (MAF), a clogged fuel filter, or a weak fuel pump.
The signal or system involved in this fault code is the engine control module (ECM) monitoring the oxygen sensor readings to determine the airfuel ratio.
Mechanic’s Tech Notes
Detailed information on diagnosing and fixing Ford code P0174, indicating a lean condition on bank 2.
To diagnose and fix OBDII code P0174 on a Ford, start by checking for vacuum leaks in the intake system.
Use a smoke machine or propane torch carefully around intake gaskets, vacuum hoses, and PCV system.
Inspect the Mass Air Flow (MAF) sensor for dirt or debris.
Test the fuel pressure to ensure it meets specifications.
Check for a faulty Oxygen (O2) sensor on bank 2. Use a scan tool to monitor fuel trims and sensor data while the engine is running.
If no issues are found, consider cleaning the fuel injectors or performing an engine decarbonization service.
FAQ
Common causes of OBD code P0174 in a Ford vehicle include intake air leaks, faulty front heated oxygen sensor, ignition misfiring, faulty fuel injectors, and exhaust gas leaks.
Diagnose and fix OBD code P0174 in a Ford by checking for intake air leaks, faulty oxygen sensor, misfiring, fuel issues, and inspecting wiring/connectors for damage.
It is not safe to continue driving with OBD code P0174 in your Ford. Address the possible causes mentioned to prevent further damage.
Wrap Up
If your Ford is displaying OBD code P0174 along with symptoms like rough idle, lack of power, or poor fuel economy, it may indicate a lean condition in bank 2 of the engine.
Possible causes include a vacuum leak, faulty oxygen sensor, or a clogged fuel filter.
To address Ford OBD code P0174, start by inspecting the intake system for leaks, checking the oxygen sensor operation, and testing the fuel pressure.
Replace any damaged vacuum hoses, clean or replace the oxygen sensor, and ensure proper fuel delivery for a successful repair.
