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How you got codes PO171+PO174? Find out what others did to solve the problem.

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Check Engine Codes: PO171+PO174 System Bank? What do they mean?

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#106

03-03-2014, 03:29 PM

Explorergirl

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Quote:

Originally Posted by fordforce39

Mine ended up being intake gasket leaking seems to be a common issue. Smoke test would confirm.

I have a 2001 Ford Explorer I have replaced the fuel pump & fuel filter, map sensor, plugs, wires, PCV valve and air filter. Used to fire right up now it takes a few tries and I sometimes have to keep my foot on the gas to keep her crunk.
HELP.

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