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Old 08-01-2017, 08:52 PM  
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Question 2009 sx4 - location of EGR valve?

2009 sx4 190k miles


I am experiencing a rough idle and when the lights are on with the AC, the engine will actually die.

I did some simple things like change the air filter and spark plugs. but the problem persists. I did some searches and see that a clogged EGR valve can cause this problem. Where is it located?
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Old 08-02-2017, 12:47 PM  
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Where in the world are you, quite a few engines to chose from outside the US.
I don't think the J20a or J20b has an EGR circuit.
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Old 08-02-2017, 01:14 PM  
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Quote:
Originally Posted by Darrell. View Post
Where in the world are you....
Christchurch, AUKland...Auckland, new Zealand ? just guessing.... .. CAMberra.....(Canberra) AUstralia ????
Filling up your profile would be a good idea....chrisaukcam...
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Old 08-02-2017, 02:11 PM  
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Post 2009 sx4

Located in the US.

Chris = first name
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Well if this engine does not come with an EGR valve, that would explain why I can't find one! Now today it seems to be idling fairly well. So it seems to be intermittent. It does have trouble codes - but they are for an oxygen sensor. I wouldn't think that would effect the idle.
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Old 08-02-2017, 02:23 PM  
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OK..half a world closer....
WEll, at the limit, a false O2 reading might fool the computer trying to adjust the mixture. Can you detail the code....rich ? lean ?
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Old 08-02-2017, 03:04 PM  
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Or, can you use a LIVE DATA SCANNER and post a graph of your LT/ST fuel trims.. @ idle and 2000rpm.

Why guess or expect us to guess...?

... Philip
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Old 08-02-2017, 03:07 PM  
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You probably have the 2.3, and it does have an EGR.. I would not believe that is your issue..

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Old 08-02-2017, 09:10 PM  
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you probably have the 2.3, and it does have an egr.. I would not believe that is your issue..

... Philip
2.3 2009 sx4???

No such thing as a 2.3 liter SX4.

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Old 08-03-2017, 07:38 PM  
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The J23A was used on the 2004-2007 Aerio which was succeeded by the SX4.
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Old 08-04-2017, 06:28 AM  
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Contraty to a lot of countries world wide, the only engines in the SX4 in North America were the J20A and J20B gas.
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