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2000, 3.0l. What are the probable causes of DTCs P0171 an P0174?

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  • Jaguar Master
  • 14,769 Answers

Hi Guy,here's a link to your codes. P0171 and P0174 OBD II Trouble Codes

Posted on Aug 08, 2015

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6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Carlos Rojas

  • 119 Answers

SOURCE: Engine codes Po171 Po174 Po401

The vast majotity of Ford vehicles with P0171 and P0174 codes are suffering with a vacuum leak. The biggest culprits are the hoses going to the PCV valve. The rubber deteriorates due to heat and oil fumes. Check the hoses and rubber elbows between the PCV valve and the intake manifold. Pay very close attention to the rubber elbows. They crack on the onside and can be hard to spot.

Posted on May 21, 2008

Anonymous

SOURCE: Check Engine Light

my steering column is no good

Posted on Jul 23, 2008

Susan Price

  • 1857 Answers

SOURCE: My mom has a 2003 ford windstar and just last week

it means you may have a big vacuum leak, or the maf sensors little wires inside of it are dirty and need to be cleaned, or the maf sensor failed. Also there is a TSB that says to remove the PCV valve on the valve cover near the radiator, Then remove the little rubber grommet and look inside. At about the 5 oclock position you may see a little hole on the plate that is above the valves . If you see the hole then your suppose to replace the valve cover.
If all this fails to fix the problem then you need to remove the intake plennun and inspect and replace the gaskets.

Posted on Jan 12, 2010

blustu

  • 279 Answers

SOURCE: 2003 jaguar s type what does p 1000 code mean

If the Dianosis test Code P1000 is flagged after DTCs have been cleared, all engine management OBD diagnostic monitor drive cycles HAVE NOT BEEN COMPLETED. See http://www.bluejag.co.uk for further details on this

Posted on May 31, 2010

Jim

  • 1041 Answers

SOURCE: Generic code PO171 system 2 lean bank 1 generic

This can be caused by a faulty mass air flow sensor

Posted on Jul 09, 2010

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What are the probable causes of DTCs P0171 and P0174?


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What are the probable causes of DTCs P0171 and P0174?


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1 Answer

What are the probable causes of DTCs P0171 and P0174?


Please go to this site on pc, It will tell the meaning of the codes and detail info. God-Bless! ( repairpal.com/obd-II-code-po171-and-po174.) Clink on first link, when page comes up.

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1 Answer

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