P0171 on FORD F-150
What P0171 Means on Your FORD F-150
Real FORD F-150 Owner Reports (Source: NHTSA Complaints Database)
"Experienced sudden loss of power steering and power brakes while normal and routine driving on highway. no warning of any kind that failure was about to occur. engine ran rough, engine light warning came on after brake and steering failure and then engine shut off."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0171 on FORD F-150
Percentages based on NHTSA complaint component analysis for this vehicle.
Complaint Trend by Year
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50-$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2-3 quotes. Dealer vs independent shop prices often differ 30-50% for the same repair.