2000 Explorer engine codes
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Joined: Jun 2011
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2000 Explorer engine codes
My 2000 Explorer (4.0 SOHC) has P0171 and P0175 codes. Several possibilities given from Auto Zone. It was running perfectly until 2 days ago. Sputters like a misfire, loss of power when accelerating, but will maintain highway speeds. Under the hood the "odd" sounds are coming from the passenger side (bank 2 I believe?) and seem to be very directional as to where they're originating. My thoughts are a single injector gone bad since it was abrupt and since it will even out for a bit almost completely but then sputters again. Would a sensor or vacuum leak suddenly do this? Still thinking injector... Thanks everyone!
Cargo Master
Joined: Aug 2003
Posts: 3,263
Likes: 92
From: BC Canada
P0171 bank 1 running lean
P0175 bank 2 running rich.
This is a case of connecting a scanner (not a code reader) and checking O2 switching and LTFT...
Reset the CEL and see if the codes return.... Post results... Philip
P0175 bank 2 running rich.
This is a case of connecting a scanner (not a code reader) and checking O2 switching and LTFT...
Reset the CEL and see if the codes return.... Post results... Philip
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