Description
OBD-II Trouble Code Description for P0402 Suzuki
Exhaust Gas Recirculation Flow Excessive Detected
What does this mean?
OBD2 Code P0402 Suzuki 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 Suzuki code means that OBD detected an excessive amount of EGR.
Symptoms
Possible sumptoms of OBD code P0402 Suzuki
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 Suzuki
A code P0402 Suzuki 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 Suzuki, 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
The OBD2 Code Information Be Applicable For Suzuki:
2012 Suzuki Swift Sport,2012 Suzuki Splash,2012 Suzuki S-Cross Concept,2012 Suzuki G70 Concept,2011 Suzuki Swift S Concept,2011 Suzuki Swift,2011 Suzuki Kizashi,2010 Suzuki SX4,2010 Suzuki Kizashi,2009 Suzuki Grand Vitara,2009 Suzuki Alto,2008 Suzuki Splash,2008 Suzuki SXForce Concept,2008 Suzuki SX4 Sedan,2008 Suzuki Kizashi,2008 Suzuki Equator,2007 Suzuki XL7,2007 Suzuki SX4,2007 Suzuki Kizashi,2005 Suzuki Swift
Note:
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