my Ford F-150 Fourteenth Generation (2021-present) has a P0171 code what does it mean

• •Check engine light illuminated
• •Rough idle or stalling
• •Decreased acceleration or power
• •Poor fuel economy
• •Unusual engine noises (e.g., backfiring or popping)
• •Increased emissions

1. 1Scan for error codes using an OBD-II scanner to confirm the P0171 code.
2. 2Inspect the intake system for vacuum leaks, including hoses and gaskets.
3. 3Check the mass airflow sensor (MAF) for dirt or malfunction.
4. 4Inspect fuel delivery components, including the fuel pump, filter, and injectors.
5. 5Perform a fuel pressure test to ensure proper fuel delivery.
6. 6Examine the exhaust system for leaks that could affect oxygen sensor readings.

After completing the repair, verify that the issue has been resolved:

• ✓Test the affected component to ensure it functions correctly
• ✓Check for any error codes or warning lights
• ✓Monitor the vehicle for a few days to ensure the issue does not recur

To prevent this issue from occurring again:

• •Follow the manufacturer's recommended maintenance schedule
• •Address warning signs early before they develop into major issues
• •Use quality parts and fluids recommended for your vehicle
• •Keep detailed records of all repairs and maintenance

• •OBD-II scanner
• •Smoke machine or carburetor cleaner
• •MAF cleaner
• •Fuel pressure gauge
• •Socket set
• •Torque wrench

• •Vacuum hoses and gaskets (if needed)
• •Mass airflow sensor (if defective)
• •Fuel filter (if clogged)
• •Fuel pump (if defective)
• •Exhaust components (if damaged)