my 2004 dodge neon rt keeps code shooting po172 fuel to rich, what is couseing this?
25

Asked by Scott Oct 29, 2013 at 12:26 AM about the 2004 Dodge Neon R/T Sedan FWD

Question type: Maintenance & Repair

my 2004 dodge neon rt keeps code shooting po172 fuel to rich, what is couseing this

2 Answers
13,275

Fordtudor37 answered 10 years ago

Check for codes first. Does the car have issues holding idle when cold at times ? If your answer is yes, I would tell you to replace the IAC (Idle Speed Controller) or IAC (Idle Air Controller) depending on what your auto has, and then check or replace your fuel pressure regulator.

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Andrei answered 4 years ago

PCM software needs to be updated Mass Airflow Sensor (MAF) Defective Manifold Absolute Pressure Sensor (MAP) Engine mechanical problems Defective Oxygen Sensor Defective Fuel Pressure Regulator Defective Coolant and/or Air Temperature Sensor Thermostat is stuck open Ignition Misfires Defective Throttle Position Sensor Defective or restricted fuel return line Defective Fuel Injectors This is some of possibilities. Need really good diagnostic. On line answer just ompossible

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