Question about 2007 Hyundai Elantra Limited Sedan
I got the check engine light, took it in and they found the po441 code
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Posted on Jan 02, 2017
SOURCE: check engine light on po441
P0441 = Evap. Emission Ctrl. System Incorrect Purge Flow. Listed Cause - valve stuck in open position.
INSPECTION (4 cylinder engine)
When disconnecting the vacuum hose, make an identification mark on it so that it can be reconnected to its original position. 1. Disconnect the vacuum hose (black with red stripe) from the solenoid valve. 2. Detach the harness connector. 3. Connect a vacuum pump to the nipple to which the red-striped vacuum hose was connected. 4. Apply vacuum and check when voltage is applied to the EVAP Canister Purge Solenoid Valve and when the voltage is discontinued.
Battery voltage Normal condition
When applied Vacuum is released
When discontinued Vacuum is maintained
V6 Purge Solenoid Valve
Posted on Jun 08, 2009
Most of the time they mean:
p0441 = Evaporative Emission System Incorrect Purge Flow
p0422 = Evaporative Emission Control System Leak Detected (small leak)
MOre info at http://www.obd-codes.com/p0442
Posted on Jan 10, 2010
Purge Control Valve Problem
The "Purge Control Solenoid Valve" is the "Purge Control Valve".
Rough idle is a typical symptom of something amiss with the purge control portion of the evaporative emissions system. It could be the valve itself is not operating correctly, the evap canister (vapor canister) may be leaking, or full of raw gas instead of vapor, or maybe even the purge control valve is getting a faulty signal from the ECU.
The soleniod is checked by applying a voltage to it and checking to see if it closes, or opens (I'm not sure if its un-energized state is normally open, or normally closed). If the valve is bad it is a no-brainer to replace.
The vapor canister can be removed and checked to see if it is full of raw gas (not supposed to be), but checking it for leaks is a bit involved, and probably requires equipmet not normally owned by a home mechanic. Vapor canister failure on cars with a lot of miles is common. Replacement is the fix.
Of course if the ECU is not sending a purge signal to the valve correctly, figuring out why may proove difficult, and possibilities could even include a faulty ECU. I expect this is unlikely though.
It's a $20 part. I first would change pcv valve because it can give same error if it's plugged up. You can always remove it and shake it. It should rattle around real easy. If not, it should be repalced
Posted on Apr 17, 2010
There are several potential (possible) causes for this code (Checking output signals from fuel tank pressure sensor under evap.system test, if fuel tank's vacuum is higher than prescribed threshold, PCM sets P0441.
1. The fuel tank pressure sensor sends a signal (voltage signal) to the PCM (Powertrain Controm Module) when it performs a diagnostic test of the Evaporative Emissions System (EVAP).
If this sensor (DPS - Differential Pressure Sensor (fuel tank pressure sensor) is telling a lie (wrong/erratice voltage signals) to the PCM, it could cause this code, P0441, to set.
Also, if the purge control solenoid valve (PCSV) is not operating properly (i.e., stuck open), it can also set P0441.
Finally, if the EVAP charcoal canister filter is clogged causing a restriction in the purge air flow, it can also set P0441 (rare, most often, if the filter is restricted, the PCM will set a different code (i.e. P2422 - Emission System Vent valve stuck closed).
The most probable cause is the PCSV (Purge Control Solenoid Valve).-- seen it very often. This does not mean you should start throwing money after parts until you get lucky and find it the expensive way.
Your problem may still be under warranty repair coverage - check with your nearest Hyundai Dealership & ask the appropriate questions. They'll tell you if your issue is still covered under warranty.
Hope this helps.
findme('p0441'); findme('P0441'); findme('P0441');
Posted on Feb 08, 2011
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