Accent MC (2006-11) :: 2009 - Low Purge Flow Error Code Popping Up
Nov 21, 2016
Not too terribly long ago I got assistance on identifying and fixing an engine misfire on my 2009 Accent. I assumed was directly connected has cropped up again - a P0497 Low Purge Flow error has come up on the car.
We recently replaced the purge flow valve, and everything seems to be running fine - there is no visible cause for the error, and I've even tried making sure I get the fuel cap as tight as possible.
The code is not popping up constantly - this is only the second time it's come up since the misfire was fixed(without obvious symptoms I always clear a code once just to make sure it wasn't a computer glitch), and the first time it popped up on it's own was the day after I fixed the misfire. Need to know what to check to find out what's wrong and, of course, how much priority I should place on fixing this issue.
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My accent currently has just under 17k and about two months ago displayed a cel. I plugged in my innova 3100 code scanner and it displayed p0441. saying it was incorrect purge flow. My question is.. is this covered under the factory warranty. I'm on a very tight budget and I'm trying to find out before going in and finding out. I've owned Hyundai's since 2002 and so far have never paid for an out of pocket repair. But it doesn't hurt to check ahead.. And I've already gotten the standard "it's your gas cap". Ok I'd buy that if it was 10yrs old but it's only a yr and a half old. besides it only goes half a turn then clicks. so it kind of either seals or it doesn't.
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For the past couple weeks my check engine light has come on due to the code reading high purge flow sensor. I checked my gas cap, lines that run from motor to the gas tank and the purge flow that's under the intake. Can't figure out what is exactly going on. And it has 53k miles and runs just fine...
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I have a 2009 Hyundai Accent 4-door 1.4L auto, 123,000 miles.
Before you ask: The high mileage is because it's used for a newspaper route. We(as in, myself and my father) take great efforts to keep it in as good a shape as possible given the amount of stress this puts on it - one minor deer impact aside, I think we've done a good job.
Recently(read: a week ago), we replaced the purge flow valve due to it causing stalls and difficulty starting after refueling. After a week of apparently fine operation, as I was nearing completion of the route, a very clear cylinder misfire began. Not the worst misfire I've ever heard - the car barely seemed to struggle on initial acceleration(except in reverse, which made me slightly concerned I wasn't feeling an engine issue, but a transmission issue), and only got really shaky at higher revs.
We have an OBD-II reader at home, so when I returned I plugged it and discovered not one, but TWO error codes: P0497 -low purge flow- and P0301 -Cylinder 1 misfire- with the reader listing them in that order.
Looking up information on these two being connected has turned up little support - I've only learned that either one can be cause and effect. Needless to say given timing I strongly believe that it is highly likely that we either made a mistake installing the new valve, or that the new valve was bad from the get-go.
We'll be checking the spark plugs as soon as we are able(I am about to go to sleep and my dad has work - we tag team automotive repairs since two sets of eyes and two brains can figure things out better and an extra set of hands is always good to have ready even if only one set can actually do the job), but even if the problem isn't the spark plugs, it doesn't automatically mean it's the purge valve, either - at least as I understand things.
So with the background out of the way, my questions are thus:
1) Is the spark plugs don't fix anything, what is the quickest way to figure out which error is cause and which error is effect?
2) Are there any serious risks to continuing to run the car in this state if a fix cannot be made immediately? (being able to borrow another car is possible, but problematic - need to stick with this car if safely doable)
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My check engine light keeps coming on sporadically and giving me a PO101 error code...then I'll reset it after making sure my MPG hasn't dipped a significant amount (which is my "concrete" way of gauging if it's performance is impaired) and it'll come on 1-600 miles later. There's no consistency in environment or conditions that are triggering this sensor, at least it's not obvious to me. I finally looked under the hood at the filter and it's a little dirty, but not nearly dark enough for it to be the problem.
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I have a 06 Elantra having a problem with a p0441 code flow fault I changed purge valve and canister purge valve I don't know what else to do what else can I do to get it to go away permanent so I can get car inspected no codes for my car can be on but only 1 i/m
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So I had a post up saying "is MIL P1444 a urgent fix" and I got "no". On an other website though it said that it was an urgent fix. They said it was "similar to running a bad catalytic converter. You don't want to do it."
P1444:
Possible causes
- Faulty Purge Flow Sensor
- Purge Flow Sensor harness is open or shorted
- Purge Flow Sensor circuit poor electrical connection
So I located the purge flow sensor and look at the tube that connects to that,the canp solenoid, and the carbon canister. Nothing looks bad, but I did notice that the tube that connects to the carbon canister to the solenoid is not connected. The part that connects to the carbon canister dry rotted off. So I turned on my car to see if anything was coming out of that tube or air and there was nothing (not sure if that's good or bad). Also a week ago when I filled up my gas tank (before the check engine light was on) a lot of fumes were coming out of the tank while pumping.
The scanner i use also lists the secondary air system, the EVAP system, Heated catalyst, and the AC refrigenant has red X's, but they weren't continuous.
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Just received a P0441 CEL (Evap Emission System Incorrect Purge Flow). I have a 2.7l engine, 2WD. I've read other forums and it seems it's most likely the purge valve or charcoal canister.
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I've had the check engine light come on and was told it was probably from topping up too much and that it would go off on it's own... I should say I have no issues with idle or rough starts.
I had it scanned at Auto Zone. The print out shows: "EVAP emission system incorrect purge flow probable cause
1) Faulty purge control solenoid
2) Faulty vent solenoid
3) Blocked vapor canister
Previous posts suggest if it were a blocked vapor canister I'd have trouble completely filling the tank so I am hoping it's one of the others. Almost everything I see suggests the purge control and that looks like an easy fix. My concerns are a) if it is the vent solenoid - how hard is that to get at and b) what is the part number as I can't find it listed anywhere? I want to have both on hand before I start trying to fix this. Lastly if it is the vent solenoid should I just give up and see a dealer??
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About a month ago the "Check VSC" warning came on in my 2006 GS300 AWD. This happened after the car was in the garage all night and when I started the car in the morning. The car was at the dealer for 2 days and the saved codes showed multiple errors for the evap system, but they couldn't find anything specifically wrong and the light warning went off after all the systems checked out.
A week later the warning came on again, and the codes indicated incorrect purge flow and a gross leak. After 3 days in the shop they decided that the problem was caused by a faulty gas cap, which was replaced. You guessed it! A week later the warning came on AGAIN! I'm taking the car to the shop on Thursday. I'm really getting tired of driving my car 40 miles to the dealer just to have the warning show up again in another week!
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2009 Accent, 1.6L 154,xxx Cylinder two misfire. Engine was rebuilt due to timing belt. Twice. Second time I did it. Replaced plugs, coil packs, all gaskets, (everything new in the head) did a smoke test, compression test 180 psi across all four, used a noid light for coil packs (good) did it at the injectors 1,3,4 did good, but 2 came on then went off. Check resistance and it shows good, replaced injector anyway and the connecter. Still doesn't work. Checked powers and grounds at the rail, good. Good solid voltage. I hooked up a scan tool and tried to shut injector 2 off, no change in RPM or vibration. Scan tool worked for 1,3,4. Used another PCM, still misfire in two. Even jumped a wire from PCM control and 15A inj fuse for the 12V constant (bypassed the harness) and still doesn't work. Also have knock sensor code, just two codes.
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My 06 accent GLS has become difficult to start only after refueling, which I'm guessing is related to a bad purge control valve from what I've read. Where exactly is the valve located, and is this something that someone with relatively little automotive repair experience could do on their own? I think I've located it on the backside of the engine near the air intake.
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Got a 98 Subaru Forester with 130,000mi. Good car so far. Just got a good deal on a scanner and it reports 1 code - PO0400. I see it mean EGR flow error. What is the most probable cause or a troubleshoot process to narrow it down? My repair manuals on the car are kind of lacking and I can't even find the blasted EGR valve! I thought I found it but I think it's the knock sensor.
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Where are the canister and solenoid valve located, above the tank? 2009 Sonata 2.4L ....
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Replacing part 9C915 ?
"CODE P0443 canister purge fault" diagnosed....
Found: EVAP PURGE FLOW VALVE STICKING
Recommending: "Diag, Replace sensor then retest" ....
They want to install a new 9C915 which they called in hand writing a Canister purge sensor but I've seen it called a canister purge valve on another thread by FIREME who puts 9C915 as "toward the driver's headlight assembly, near the radiator. You'll need an 8mm socket to remove it"...
3.0L DURATEC FFV V6 ENGINE
From the "newly washed ashore" who's now double posting after being flogged for trying to keep this info in a single thread rather than spreading it all over the place...
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The check engine light on my 99 Camry went on at about 180,000 miles. My mechanic checked the code and turned up an EVAPORATIVE EMISSION CONTROL SYSTEM INCORRECT PURGE FLOW He said this could be any number of things,including the need for a gas cannister or some type of valve. What does this mean? How do you determine exactly what the cause of the problem is? What are the likely fixes? Will Toyota be able to better determine the cause than my personal mechanic? What are the best options?
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Had the CEL come on twice in the last few days. The first time, a restart of the car took it away. The second time, it came on and stayed over multiple start ups.
With Torque Pro and a bluetooth OBDII dongle I read: P0300 - Powertrain, Random/Multiple Cylinder Misfire Detected
From the Internet:
Possible causes
- Faulty spark plug (s)
- Faulty ignition coil (s)
- Clogged or faulty fuel injector (s)
- Intake air leak
- Fuel injectors harness is open or shorted
- Fuel Injectors circuit poor electrical connection
- Ignition coils harness is open or shorted
- Ignition coils circuit poor electrical connection
- Insufficient cylinders compression
- Incorrect fuel pressure
I wish it wasn't so broad... But, as the car is about to hit 60,000 miles, I plan to replace the spark plugs (NGK), engine air filter, cabin air filter. Just had the timing belt done last week. I will check all of the intake couplings for tightness.
For others who use Torque, what other settings could be useful in pinning down this issue for me? I cleared the CEL this morning; it didn't come back yet.
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Check engine light had come on, the car was running rough at idle and it would crank hard. So I threw my code scanner on it only to find out it wouldn't link. Drove it to O'Riley's and had them pull the codes. It ran rough and had next to no power on the way there. O'Riley's pulled the codes and we got a P0300 (random multiple misfire), P0301 (cylinder 1 misfire), P0302 (cylinder 2 misfire), and a P0496 (EVAP emissions system high purge flow). So once I got it back to the house, she told me that she had the codes pulled once before and that they told her it could be her gas cap so she replaced it. She also stated that she had replaced the plugs about 3 months ago.
So with new gas cap and new plugs, and these codes, I did a bit of research and come to the conclusion that it'd replace the purge solenoid. The solenoid was making a pretty loud ticking noise and when I pulled it off, it rattled so I figured that was the fix. Pulled her plugs and you can clearly see that cylinder 1 was running VERY lean and cylinder 2 was a little richer but still too lean. Plugged the plugs back into coils and laid them on exhausted. Turned the car over and we had spark. Lead me to think the misfire had something to do with the P0496 EVAP code. Put everything back together and erased the codes. Gave the car back to her and told her to let me know if the light came back on. That was Wednesday last week. Sunday she told me the light came back on and the only code that came up was the P0496 again. When I gave it back to heron Wednesday, it would still crank hard but would start.
Battery is new and checked good, alternator is pulling about 14v and checked good and the starter checked good. My dilemma is the code and the hard crank. She told me that it only cranked hard for her once so I am assuming that has gone away but we're still left with the P0496. I am not 100% sure as to how this system operates but I understand it for the most part. She told me that she had just put gas in it before the light came on. Not sure how much time had elapsed after filling it and the light coming on but I do know she put gas in it. If it's a high purge flow, that makes me think there may be a leak in the system but I'm not sure where to go from here without throwing a bunch of parts and money at it.
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2009 accent, cant find its location. Picture would be nice...
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I have a 99 Tiburon 2.0 DOHC that I cant seem to get through emissions. The code, p0422 main catalyst efficiency below threshold bank 1 keeps popping up even after replacing the cat converter (twice) and replacing both 02 sensors. What else could be triggering this code and how to fix it?
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2001 1.5L 5-speed Accent
I did a search on this problem and found several people posted the same P0121 code. Strangely many people wrote that replacing TPS did NOT fix it. The code came back in 30 miles or so. Most of them didn't follow up what finally fixed it and only 2 people did by saying they got the code cleared by fixing/replacing:
1. Leak in the intake manifold, bad plug wires, etc.
2. New Head & ECM.
Is there any known fix for the P0121 on Accent 1.5L other than above?
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