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P0171 = system too lean (bank 1). First thing I would look for is a vacuum leak. With engine running, spray carb cleaner around engine at suspected areas (vacuum lines, intake manifold gaskets, throttle body gaskets, etc). When you hear the engine rpms increase you have found a vacuum leak.
What else can I help you with?
How do you fix trouble code P0171 on a 1997 ford ranger?
Trouble code P0171 means: Fuel System Too Lean (Cylinder Bank 1)
What causes trouble code P0171 on a 2003 ford ranger 4.0?
P0171 is System Too Lean (Bank 1), which means that the oxygen sensor detected an excessively lean air fuel mixture.
What does a code p0171 mean on a 2002 ford windstar?
Trouble code P0171 means:System too lean (Bank 1)
What does the obd code p0171 mean for ford windstar 2002?
Trouble code P0171 means:System too lean (Bank 1)
What does code p0171 mean on a 97 ford 2.0 engine?
Trouble code P0171 means:System too lean (Bank 1)
What is p0171 on Ford F-150?
Trouble code P0171 means:System too lean (Bank 1)
What does error code P0171 mean on a 1999 ford windstar?
Trouble code P0171 means: System too lean (bank 1)
What does engine trouble code p0171 code mean on a Ford F-150?
Trouble code P0171 means: Fuel System Too Lean (Cylinder Bank 1)
What is code 0300 on a 1997 ford ranger?
P0300 = Random/multiple misfire detected
What does the 2003 Ford F150 diagnostic code P0171 mean?
Trouble code P0171 means: Fuel System Too Lean (Cylinder Bank 1)
What is code p0420 on 1997 ford ranger?
Trouble code P0420 means:Catalyst system efficiency below threshold
What is the wiring code for the stereo harness FOR MY 1997 FORD RANGER?
there should be a sticker on the radio itself that tells you
