my Ford F-150 Fourteenth Generation (2021-present) has a P0171 code what should I do

• •Check engine light illuminated
• •Rough idle or stalling
• •Poor acceleration or loss of power
• •Decreased fuel economy
• •Increased emissions

1. 1Scan the vehicle's OBD-II system to confirm the P0171 code and check for any additional codes.
2. 2Inspect the air intake system for any leaks or damage, including hoses and the air filter.
3. 3Check the fuel pressure using a fuel pressure gauge to ensure it meets specifications.
4. 4Inspect the mass air flow (MAF) sensor for dirt or damage and clean or replace if necessary.
5. 5Visually inspect the vacuum hoses for cracks, breaks, or disconnections.
6. 6Examine the fuel injectors for clogs or leaks.

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
• •Fuel pressure gauge
• •Screwdriver set
• •Pliers
• •MAF sensor cleaner

• •Air filter
• •Vacuum hoses (if damaged)
• •Fuel filter (if necessary)
• •MAF sensor (if necessary)