Chrysler P0402 Exhaust Gas Recirculation Flow Excessive Detected

Description

OBD-II Trouble Code Description for P0402 Chrysler

Exhaust Gas Recirculation Flow Excessive Detected

What does this mean?

OBD2 Code P0402 Chrysler definition:
EGR stands for Exhaust Gas Recirculation. It is part of the vehicle emmissions system, and is used to reduce combustion temperature and pressure to control Oxides of Nitrogen. There are generally three parts to the EGR system: the EGR valve, an actuator solenoid, and a differential pressure sensor (DPF). These things work together to deliver the correct amount of recirculation based on engine temperature, load, etc. The P0402 Chrysler code means that OBD detected an excessive amount of EGR.

Symptoms

Possible sumptoms of OBD code P0402 Chrysler
You may notice drivability problems such as the engine may surge off idle. There may also be other symptoms.

Causes

Possible causes of OBD code P0402 Chrysler
A code P0402 Chrysler most likely means one or more of the following has happened: The DPFE (differential pressure) sensor is faulty and needs to be replaced There is a blockage in the EGR (most likely carbon buildup) The EGR valve is faulty The EGR valve may not be opening due to a lack of vaccuum

Possible Solutions

With a P0402 Chrysler, it is common for people to replace the EGR valve, only to have the problem return. The most likely solution is to replace the DPFE sensor. Check the voltage at the DPFE sensor both at idle and when the EGR is open Replace the DPFE sensor

Related Codes

P0400 Chrysler P0401 Chrysler P0403 Chrysler


The OBD2 Code Information Be Applicable For Chrysler:

2013 Chrysler Town and Country S,2013 Chrysler 300 Motown Edition,2013 Chrysler 300 Glacier,2012 Chrysler Ypsilon,2012 Chrysler Delta,2012 Chrysler 300 SRT8,2012 Chrysler 300 Luxury Series,2012 Chrysler 300C,2011 Chrysler Town and Country,2011 Chrysler 300,2011 Chrysler 200 S,2011 Chrysler 200 Convertible,2011 Chrysler 200,2009 Chrysler GEM Peapod,2009 Chrysler 200C EV Concept,2008 Chrysler ecoVoyager Concept,2008 Chrysler Town and Country,2008 Chrysler Sebring Convertible,2008 Chrysler EV Concept,2008 Chrysler 300C UK Version,2008 Chrysler 300C Touring UK Version,2008 Chrysler 300C Touring SRT UK Version,2008 Chrysler 300C SRT UK Version,2007 Chrysler Sebring UK Version,2007 Chrysler Sebring,2007 Chrysler Pacifica,2007 Chrysler PT Street Cruiser Pacific Coast Highway,2007 Chrysler Nassau Concept,2007 Chrysler Crossfire UK Version,2007 Chrysler Crossfire Roadster UK Version,2007 Chrysler Aspen,2006 Chrysler Imperial Concept,2006 Chrysler 300C SRT8 Touring,2006 Chrysler 300C Heritage Edition,2005 Chrysler Town and Country,2005 Chrysler PT Cruiser Convertible,2005 Chrysler Firepower Concept,2005 Chrysler Crossfire SRT6 Roadster,2005 Chrysler Crossfire SRT6,2005 Chrysler Crossfire Roadster,2005 Chrysler Akino Concept,2005 Chrysler 300C Touring,2005 Chrysler 300C SRT8,2005 Chrysler 300C,2005 Chrysler 300,2004 Chrysler Pacifica,2004 Chrysler ME FourTwelve Concept,2004 Chrysler Crossfire,2003 Chrysler Airflite Concept,2003 Chrysler 300M,2003 Chrysler 300C Touring Concept,2003 Chrysler 300C Concept,2002 Chrysler Pacifica Concept,2002 Chrysler California Cruiser Concept

 

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