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2004 Hyundai Accent Purge System
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MDWhite
User
Sep 30, 2016, 9:48 PM
Post #1 of 5
(1917 views)
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2004 Hyundai Accent Purge System
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I have check engine light on my 2004 Accent. Code is for "incorrect purge rate detected". (Don't have the code # handy but can get it.) When I pull the purge valve connector at idle it stops clicking and the idle speed drops. Reconnect and it speeds up again. Should it be purging at idle? Purging the canister I thought was an under throttle thing in any car. (And shouldn't the idle speed be corrected to a set value in any case? ) Should I try replacing this electrovalve or is it possibly getting a faulty signal from something else?
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kev2
Veteran
Oct 1, 2016, 7:24 AM
Post #2 of 5
(1903 views)
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Re: 2004 Hyundai Accent Purge System
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This is a 1.6L engine?
remove and test purge valve, should NOT allow vacuum to pass thru without 12v applied.... you can use your mouth to draw vac.
Check ohms - @26Ω at 70°.....
One wire is 12v the other is ground - KOEO you could check that ground side is open not grounded or shorted to voltage... likely a bad valve - stuck open
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Discretesignals
Ultimate Carjunky
/ Moderator
Oct 1, 2016, 8:15 AM
Post #3 of 5
(1900 views)
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Re: 2004 Hyundai Accent Purge System
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It purges when the engine is idling. In fact, that is one of the best times to purge because there is lots of vacuum in the intake. Don't get EVAP confused with EGR. EGR should never operate at idle.
P0441 is popping up?
You can also disconnect the hose from the purge valve that goes to the canister with the engine idling. With the electrical connector unplugged from the valve, you should not have any vacuum at the valve nipple you disconnected the hose from.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Oct 1, 2016, 8:18 AM)
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MDWhite
User
Oct 1, 2016, 9:22 PM
Post #4 of 5
(1884 views)
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Re: 2004 Hyundai Accent Purge System
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Yes it is P0441. (All Accents were 1.6 by 2004 I believe). I will try replacing this part then. I didn't want to be doing that if it was OK and just being badly run by some other component. I really have no idea how this works tbroughout the wbole range of engine operation. Older cars that I am used to avoided purging at idle presumably because of the havoc that would create with the RPM. BTW believe it or not this car has no EGR system!
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Discretesignals
Ultimate Carjunky
/ Moderator
Oct 2, 2016, 8:46 AM
Post #5 of 5
(1869 views)
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Re: 2004 Hyundai Accent Purge System
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Are you going to test it or just go ahead and replace it because we told you how to test it?? If you do replace it, let us know how things go.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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