Question about 2004 Hyundai Elantra

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Obd2 code po172 on a 2004 hyundai elantra what is probable cause ? and whats needed to fix it/

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Dear friend-thanks for fault code,this code means that the sysm is to rich because ther is a lack of co2.plse look at the following items.intake blocked(air filter) evap canisterpurge valve,feul pressure,egr system,and injectors.

Posted on Jul 18, 2009

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I have an 04 Hyundai Elantra GT that throws a OBD2 code p2195 and p1166. What do I do to fix these error codes? And is it as simple as changing the Upstream O2 sensor? Thank you


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1 Answer

P0449 OBD2 code meaning for 2004 Hyundai Elantra?


EVAP purge/vent solenoid circuit condition. the PCM has determined that a malfunction exists in the electrical circuit for the vent valve/solenoid in the evaporation emission control system (EVAP)

Dec 07, 2011 | 2004 Hyundai Elantra

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How i can use the OBD2 for diagnose the problem in my car? I want to learn the steps for check my car by OBD2 device .


Most parts stores will sell you a code reader and it is just that .. it will give you the code and a brief and most times poor description . To use OBD2 to diagnose a problem you will need a scanner capable of live data stream which are expensive and not worth the money to the average person.

For the handyman , a code reader will do fine for being able to tell what the code number is if you have access to the repair information.

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What does engnine code 2626 mean on a 2004 Hyundai Elantra


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2 Answers

Let our Experts solve your "I have a 2002 Hyundai Elantra with fault code P0441 Not sure what this code means or how to fix the Problem.


P0441 is evap system insufficient purge. It means that the computer thinks the purge control valve isn;t operating properly. The fuel tank pressure sensor can send faulty info causing code to set but most of the time it is just the purge valve that needs replaced

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