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2005 Ford F150 code PO174

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Drove thru a large puddle and car started running rough. The check engine light came on.
I checked codes with a mechanic and it said misfire in cylinder 3.
Its done this before and self corrected. I changed the plugs, wires and coil pack.
It still runs rough with engine light still on. Now there’s a PO174 code  meaning System 2 lean bank 2. What am I missing?

Thanks in advance.

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Is it still misfiring on #3 cylinder? You need to figure out why it is misfiring before proceeding with the P0174 code.

Possible causes of P0174 are:

– Intake air leaks
– Faulty front heated oxygen sensor
– Ignition misfiring
– Faulty fuel injectors
– Exhaust gas leaks
– Incorrect fuel pressure
– Lack of fuel
– Faulty Mass Air Flow (MAF) sensor
– Incorrect Positive Crankcase Ventilation (PCV) hose connection

Possible Issues:

– Excessive Fuel Consumption

You need an electrical diagnostic tech help you out.

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0
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Is it still misfiring on #3 cylinder? You need to figure out why it is misfiring before proceeding with the P0174 code.

Possible causes of P0174 are:

– Intake air leaks
– Faulty front heated oxygen sensor
– Ignition misfiring
– Faulty fuel injectors
– Exhaust gas leaks
– Incorrect fuel pressure
– Lack of fuel
– Faulty Mass Air Flow (MAF) sensor
– Incorrect Positive Crankcase Ventilation (PCV) hose connection

Possible Issues:

– Excessive Fuel Consumption

You need an electrical diagnostic tech help you out.

  • You must to post comments
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