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2001 ford ranger 3.0, code po172 an po175 - Ford Cars & Trucks

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Pops65Pony
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SOURCE: 2002 6 cylinder 3.o engine Ford Ranger. Cold start

Changed the air filter lately? Possibly defective O2 sensors, but I doubt it. If air filter and intake are clear, I'd check barometric pressure sensor and mass air flow sensors. Get a Haynes or Chilton's for $25 at Pep Boys for instructions on testing these componenets

Posted on Oct 14, 2009

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SOURCE: codes po172 and po175 too rich mixture

easy one.. when ever you have codes and want to know what they are..visit.. www.bestdirectorysolutions.com on the home page.. left side, scroll down and click on trouble codes... good luck sir

Posted on Mar 16, 2012

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Emissions said running rich with codes po172 po175


Oxygen Sensor Test fixed rich signal your best bet would be to take your vehicle to a qualified repair shop .

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How do i fix code po172 ? on 1996 ford ranger 2.3 l


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I have a 1997 1500 with a 5.0 Im getting codes po143 po172 po175 and po300. Im not sure what the cause could be.


Code 300 is for a random miss.
172 and 175 are for the same problem - 172 is for a rich fuel mixture bank one and 175 is for the fuel mixture too rich on bank two.
Code 143 is for a rich mixture for sensor number 3.
All of the codes could be connected to a leaking injector or other fuel problem. Very seldom are all of the O2 sensors faulty at the same time.

Feb 22, 2013 | Cars & Trucks

1 Answer

Codes po172 and po175 too rich mixture


easy one.. when ever you have codes and want to know what they are..visit.. www.bestdirectorysolutions.com on the home page.. left side, scroll down and click on trouble codes... good luck sir

Mar 16, 2012 | 2004 Ford Explorer

1 Answer

PO172 AND PO175 CODES


These codes mean system too rich, meaning too much fuel while running, I would check the vacuum lines and then clean the Mass Air Flow sensor (MAF), it should be located in line with the air intake tube from the air filter. Be careful not to damage the sensors internal components (use electrical cleaner or brake cleaner), and make sure it is dry before re-installation. Hope this helps, let me know.

Aug 08, 2010 | 2000 Ford Windstar

1 Answer

2002 6 cylinder 3.o engine Ford Ranger. Cold start problem. Bank 1 code PO172 and Bank 2 code PO175. System to rich. Where to start checking.


Changed the air filter lately? Possibly defective O2 sensors, but I doubt it. If air filter and intake are clear, I'd check barometric pressure sensor and mass air flow sensors. Get a Haynes or Chilton's for $25 at Pep Boys for instructions on testing these componenets

Oct 14, 2009 | 2002 Ford Ranger Regular Cab

1 Answer

Po171 po172 po174 po175 ???


If the fuel pressure was low enough to give lean codes then u would have a loss of power that you would easily notice, you say you checked for vacuum leaks, did you use a can of carb spray or a bottle of propane? it only takes a very small leak to trigger the codes, spray carb spray around the intake area, see if the engine sound changes, this will indicate a leak,

Nov 11, 2008 | 2000 Honda Passport

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