Question about 2001 Ford Explorer Sport

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Code po171 and po174. fuel bank 1 & 2 lean. what can i do about it

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From Twitter by @carpartslocator.

@car_problems oxegen sensor oar the airflowmeter.but i do not know what kind of car you have i am gessing ford....??

Good luck.

Posted on Jul 20, 2009

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How can i correct code po171

Posted on Aug 24, 2009

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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

SOURCE: check engine light is on

Look for vacuum leaks,that are causing the O2 Sensors to go lean, and set codes on both banks

Posted on Nov 11, 2010

pippall
  • 1486 Answers

SOURCE: hey i have a few problems with the cadillac deville 03

change the air fow senser.

Posted on Jul 06, 2009

  • 133 Answers

SOURCE: My 2003 Chevrolet silverado 4.3, automatic has

Have you replaced your fuelfilter lately? This could be a fuel related pressure problem.

Posted on Nov 08, 2010

  • 67 Answers

SOURCE: check engine light on my 01 windstar when scaned

thats a lean code which mean there is a vaccum leak or fuel flow is low. can be the fuel filter, most likely it is a vaccum leak, spray with carb spray around the intake and the hoses and see if the idle changes

Posted on Mar 23, 2011

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Related Questions:

1 Answer

What do the following codes mean? PO171,PO174 and PO430. And what is best solution to eliminate them? Is it something I can handle or should I carry it to my local mechanics?


PO171 Fuel System Lean Bank 1
PO174 Fuel System Lean Bank 2
PO430 Catalyst System Low Bank 2
A new fuel filter would be a good start.

Feb 07, 2015 | Cars & Trucks

1 Answer

Po171 po174 code


Lean bank 1 and bank 2 , and throttle actuator system fault. Check reason for lean codes 1st, vacuum leak(s), air inlet boot and hoses, or low fuel pressure / clogged filter. Repair as needed then clear codes and recheck .

Jan 09, 2014 | Cars & Trucks

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Error codes PO171, PO174 on 6.0 2004 silverado, what are they?


P0171 means: System too lean (Bank 1) P0174 means: System too lean (Bank 2). Sounds like your injectors are not getting enough fuel.

Nov 16, 2010 | Chevrolet Silverado 2500HD Cars & Trucks

1 Answer

Check engine light is on codes are po171 system too lean (bank 1) po174 system too lean (bank 2) so what can i do


Look for vacuum leaks,that are causing the O2 Sensors to go lean, and set codes on both banks

Nov 11, 2010 | 1997 Ford Expedition

1 Answer

Check engine light with codes po171 po174


Both codes are system too lean bank 1 & bank 2. Most likely a vacuum leak. Check all vacuum hoses for broken, kinked, collapsed or missing.

Nov 02, 2010 | 2004 Ford F150

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Generic code PO171 system 2 lean bank 1 generic


This can be caused by a faulty mass air flow sensor

Jul 06, 2010 | 1999 Ford Taurus

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What do these trouble codes mean p0171 and p0174


po171 is system too lean,bank 1,po174,is system too lean,bank 2,It sounds like a fuel pressure problem.

Jan 05, 2010 | 2000 Chevrolet Blazer

1 Answer

Code po171 7 po174


your computer is reporting bank 1 and 2 too lean, usually caused by the mass air flow (MAF) sensor, you can usually clean this sensor and reset the light. Clean it with electric cleaner or brake cleaner, make sure it is dry before reinstalling, also take care not to damage it. Hope this helps, let me know

Jun 09, 2009 | 1997 Ford Thunderbird LX

1 Answer

1995 Windstar OBD II showing codes PO340, PO171, and PO174


Hello;
With those codes, the first place I would check is the fuel pressure. Also check the fuel filter and replace it if you haven't already. Then clear codes and recheck. Even if your fuel pressure is with in range it still may not push enough fuel to operate your vehicle.

Jan 15, 2009 | 1995 Ford Windstar

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