Ford - Taurus :: 2004 - Emission System Light Came On / Code P0456
Jul 24, 2013
So my car's emission systems light came on last Saturday and after work today I took it to the local Auto Zone to have an onboard diagnostic done to see what the code was, as some friends had recommended. I have a 2004 Ford Taurus with about 146,000 miles on it. It came back as only one code, P0456, which according to the clerk meant one of four things.
1.) Defective, loose, or missing fuel cap
2.) EVAP Canister Broke, hose cracked or not connected
3.) Purge or vent solenoid defective
4.) Vacuum leak at engine
I asked him if there was anyway to eliminate a few of these, but he wasn't sure and said I would have to take it to a dealer or a repair shop (which I expected). I was wondering any tips or tricks so I can eliminate a couple of these, and also if this is a five alarm fire I should be panicking about. I did call my Dad and he did not seem overly concerned about it. Plus my car is still running fine and the light has remained steady and not flashing. My friend at work suggested I put a piece of black electrical tape over it and ignore it, but I want to be sure it passes inspection in September.
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2008 with 165K. I had the fuel pump replaced then started getting this code. Garage said they did a smoke test could not find any leak. I then replaced this part (CCV #31453-3K500 / picture attached) I still get the code.
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CEL came on after a couple of driving cycles showing code P0456 (evap emission control system very small leak detected)............. car drives fine has good gas mileage.....
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2004 VW touareg v6 - engine light on - autozone diagnosed as code P0456. Possibly gas cap, so I replaced with aftermarket gas cap from auto zone. Light still on. What can I do or replace to fix problem. I read something about a N60 or N80 valve. Is this something I can buy and replace myself. Most of my mechanical experience is related to working on a 85 CJ7 with an inline 6cyl or Chevy trucks. If the N valve is a easy fix, any instructions and pictures of how to do this.
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I got a Ford f150 and getting the error code P0446 Evaporative Emission Control System Vent Control. My truck has burnt up 3 of these things already in the last 8 months. Why my truck keeps killing them?
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It all started with a fuel cap loose light (it wasn't) after a day or two the MIL came on and got this code I reset it but I'm sure it'll come back since there's probably a real leak. What can I check myself to find this leak?
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I own a 98 f-150 5.4 with 70,000 miles. I get a check engine light (code p0455-large leak detected in evaporative emission control system).
Replaced the gas cap with an after market 'stant' ( I believe was the manufacturer) brand. The check engine light went away for 4 days then came on again.
No obvious vacuum line leaks.... Puzzled.
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This is the code i pulled from Vag. Its not the gas cap...
VCDS Release 805.0: Generic OBD2
Mode 03: Emission related fault codes
Address 10 (Engine): 1 Fault Found:
P0456 - EVAP System: Very Small Leak Detected
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New owner of a 2003 1.8TPassat (29,000mi) as of the last 2 weeks and have just had my MIL come on. Scanned it at home with my Actron CP9125 scanner and got this code (P0455) which reads in the scanners manual as "EVAP Emission Control System Leak (Large)". Didn't know if this was a generic description of the code or VW has a more specific definition. What precisely this is in reference to, gas cap, vacuum hose????? Or what VW's actual description of this code is?
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I got gas last week and then my SES light came on. I took it to my local auto parts store and used the code reader. The code that it produced was P0456. The guys at the store wasn't useful because he said it could be as simple as my gas cap needs replacing or a much bigger problem. Should I take it to the dealer or is it something I can fix myself?
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Got an engine light on today and had it checked at Advance Auto. It is P0442, "small leak in Evaporative emission control system". One article I read said to remove and retighten the gas cap, clear the code then see if it occurs again. If it does then replace the gas cap with a new OEM cap, and try clearing the code again to see what happens, as a first step in the troubleshooting process. I retightened the gas cap, but don't know how to clear the code and turn off the engine light.
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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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My wife drives a 2004 2WD Explorer with the 4.0 SOHC motor. We have had a problem now for over a year and a half of it randomly dying. There is not telling when the engine might die besides the fact that it happens when you let off the accelerator to brake or make a turn. It only happens at slow speeds. At a stop light or stop sign usually. The car will always start right back up. It has been to a couple of Ford dealerships and they haven't been able to diagnose the problem. The check engine light is on and it is giving the code p0456. This code definition is an EVAP small leak detected. Probable causes for the code are:
1. Defective, loose, or missing fuel cap.
2. EVAP Canister broke, hose cracked or not connected.
3. Purge or vent solenoid defective.
4. Vacuum leak at engine.
I don't think it's the fuel cap that would be making the car die. I used carburetor cleaner (I know its not the safest ) and sprayed on the vacuum lines that I could find to try and diagnose a vacuum line leak but nothing seemed to effect the engine. Do one of the other probable causes from p0456 could be causing the dying or could it be something else???
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I just changed the drain valve on the fuel filter bowl. All went well and no more leak, but now I am getting an "emission system" warning light.
After I replaced the valve, I filled the fuel bowl with diesel fuel. Was there any other priming that needed to be done (if any)? What the emission system warning light may mean?
2002 F250 7.3L 4x4.
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At roughly 140,000 miles, my wife's '07 Santa Fe GLS has thrown a P0456 code. Does this code on a Santa Fe common?
It is "evaporative emission system leak detected (very small leak)." The good news, I guess, is that it is 'very small.' However, being small may make it more difficult to detect.
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So mad today. Check engine light came on, plugged in my scanner, got P0441 EVAP Emission Control system Purge Flow Fault and P0455 EVAP Emission Control System Leak (Large).
8-month old '13 TCH XLE is getting a check engine light already.
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I have a 2008 Chevy Equinox, and recently I noticed a gas smell...I saw Chevy had a special policy to replace the fuel pump module, so I took it to the dealership hoping that would be the problem. Fortunately it was, and they replaced it for free. I got my car back Thursday afternoon, drove it Friday, and it sat yesterday without being driven. This morning I drove to the grocery store, and on the way home my check engine light came on. I have an ODBII scanner, so I plugged it in and got this code:
P0455: Evaporative Emission System Leak Detected (gross leak/no flow)
So I was wondering: (1) what is the cause and/or solution to this problem, and (2) is it possible the dealership caused this problem when they replaced my fuel pump module?
It seems awfully coincidental not to be related to the repair, since it is a fuel system problem, but I don't know enough about cars to be sure...
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Recently my 2005 scion tc CEL light came on and I diagnosed p0456. At the same time when I turn the car on in the morning it idles at 2k RPM for about 3 minutes and then the idle goes down to around 900. If I park and return to the car within 2 hours the idle stays down but if I wait it goes back to 2k and I have to wait a few minutes for it to come down. My question is whether this is related to p0456. What could be wrong and how do I fix it?
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I have a 2005 1.8 TJetta GLI owned for about 2 months now. Gas cap warning pops up then goes away when I turn off the car then check engine light comes on. I've change the gas cap to new oem one changed the purge valve [URL] .... After a couple of weeks same issues again brought it to my mechanic he ran a leak detector and told me that there are Evap leaks. I read somewhere that I might need a need charcoal canister and a fuel tank.
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My dad has a 2007 dodge ram 5.7 hemi and recently the check engine light has been staying on at first it was fuel door open now that's gone but the check engine is there went to get the code read and was told something about a fuel leak evaporator leak the cap or a vacuum line the cap was tested it was good?
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