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P0171       #: 2604
 Moderated by: Mike69, MaDMaXX,
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 Posted: Fri Jan 13th, 2023 02:36 am
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eegle1
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2004 Ranger FX4 4.0L V6

I get the P0171 code only if the outside temperature is above 40°F.  Having eliminated a lot of things, could this be the Air Charge Temperature Sensor?

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 Posted: Fri Jan 13th, 2023 07:58 am
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DILLARD000
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Possible VacLeak in the
PCV hoses or IntakeManifold gasket?



____________________
DILLARD000 has a 2001 Ford SportTracJob2 with V6~4.0L~SOHC Engin + 5r55e Trans + 1354 4WDTC + LS4.10+OS4.10 Diffs.
For details & maintenance links, goto http://2001fordexplorersporttrac.fandom.com
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