P0171 OBD Trouble Code

1 result found

P0171 - Ford
Type Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description

Fuel System Too Lean Conditions

Cause

Engine running at Cruise speed for 3-4 minutes, then the PCM detected that the Adaptive Fuel Control System was at its rich correction limit (due to a lean A/F ratio)

Try also: https://www.obd-codes.com/p0171