Question about 1998 Dodge Avenger

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Want to know what PO172 System too rich bank 1 means and PO175 System too rich bank 2 means. These are fault codes from an emissions test I had done on my Dodge avenger and it failed

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  • kylen66 Mar 22, 2009

    same prob on 99 exploder

  • mike loshbough
    mike loshbough May 11, 2010

    your fuel pressure regulator may be bad fuel pressure needs to checked to see what it is

  • Anonymous Mar 16, 2014

    its running rich code po172 what shoud i do about it

  • Anonymous Mar 16, 2014

    its running rich code po172 what shoud i do about it

  • Anonymous Mar 27, 2014

    code 172 system too rich bank 1

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  • 14 Answers

It means your cars computer is pumping too muchgas into your motor because it thinks the engine is either running lean possibly due to faulty o2 sensors or that the coolant temp sensor is giving false readings and the ecm thinks the car is still too cold.

Posted on Mar 02, 2009

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1 Answer

What do dtc's po172,po300,po455 mean together


code p 0172 refers to system too rich bank 1=== causes --intake blocked --EVAP canister purge valve ---fuel pressure --EGR system---injector/s---HO2S ( heated oxygen sensor )
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AS a side idea , check that the fuel cap is properly installed first as it may not be properly tightened or fitted

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What does obd 1 code 25 and 26 mean?


EOBD II Error Code: 25
Description:
System too Lean, Bank 1
Possible Causes:
- Intake/exhaust leak.
- Secondary air injection (AIR) system.
- Manifold absolute pressure (MAP) sensor.
- Mass air flow (MAF) sensor.
- Fuel pressure/pump.
- Injector(s).
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EOBD II Error Code: 26
Fault Location:
System too Rich, Bank 1
Description:
- Evaporation emission (EVAP) canister purge valve .
- Fuel pressure.
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1 Answer

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Hope this helps

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