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  1. Johnny Appleseed

    2004 Dodge Ram Hemi 5.7- p0172 and p0175

    I got a 2004 Dodge Ram Hemi 5.7 from my brother. It has 250k miles on it. He said the motor had been rebuilt but it still wasn't running. I fixed a few bad sensor codes. I decided to change the fuel injectors on it with some OEM ebay ones. Now that I think back on it I shouldn't have done this...
  2. K

    How many Oxygen Sensors?

    So, do I have two, three, or four Oxygen sensors? 2005 Dodge Ram 1500 SLT 4WD Quad Cab 5.7 Hemi gasoline. In previous years I have changed two - one upstream ("before" the catalytic converter) and one "down". i THOUGHT that were all. But internet searches elsewhere than this forum hint at...
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