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#1
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Where is the Charcoal canister shut-off valve located on a 1999 C230
I'm trying to solve a CEL problem (code P0455) on my 1999 C230-Kompressor. I've already replaced the gas cap so I'm on to the next likely culprit, the "Charcoal canister shut-off valve" but it isn't where I thought it would be.
Does anyone know where to find it? I took some pictures of where I expected to find it. They're from the rear, passenger-side wheel well with the liner removed. Thanks, Don
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2008 ML350 2007 Honda Element 2007 Honda Accord 2009 Honda Civic Last edited by DonB; 06-04-2006 at 09:35 PM. |
#2
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[QUOTE=DonB]I'm trying to solve a CEL problem (code P0455) on my 1999 C230-Kompressor. I've already replaced the gas cap so I'm on to the next likely culprit, the "Charcoal canister shut-off valve" but it isn't where I thought it would be.
Does anyone know where to find it? I took some pictures of where I expected to find it. They're from the rear, passenger-side wheel well with the liner removed. Thanks, Don[/QUOTE have you checked the regeneration valve? i have seen a few of them not cycle propery not allowing enough vacuum go to the tank and set that code. on the 202 chassis the the canister shutoff valve is the white canister next to the charcoal canister, which on this model is down by the fuel pump and filter Last edited by carson356; 06-04-2006 at 10:14 PM. |
#3
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Is it possible that a bad charcoal canister can create stalling?
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Keep us posted especially if your problem is solved Present cars: My car: E-class 420CDI, 2008, W211, V8, 180 000km Wife's one: C-class 220CDI Sport Coupé, Euro, 2002, W203. 345 000km Son's one: GLK class 220CDI, 2009, W204 Sold E class 260E, W124, 1988 beloved car sold after 489 000 kilometres of reliable services (engine M103, clutch and 5 speed manual gear box all original). E-class, W210 320CDI, 2000[/B], 225 000km, Sold |
#4
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Thanks Carson, I'll look for it this weekend. On your suggestion about the regeneration valve; is that the same as the Purge control valve? If so, then yes, I was considering it, but I was going by this post from Gilly:
HELP! 1997 E-420 P0455 EVAP Leak Excerpt "I'd say if you want to "throw a part" at the problem, with about 75% probability the shut-off valve is the problem." I don't have the test tools he mentioned, so I was going to try his advice. What do you think? Don
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2008 ML350 2007 Honda Element 2007 Honda Accord 2009 Honda Civic |
#5
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#6
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Wow, I'm beginning to think the car doesn't have a "Charcoal canister shut-off valve". I looked all over, but haven't found it. Here are pictures of the fuel pump and filter, but no valve that I can see. Where else should I look? Thanks,
Don
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2008 ML350 2007 Honda Element 2007 Honda Accord 2009 Honda Civic |
#7
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#8
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Thanks Carson, I guess I'll have to look again. I got this drawing from the dealer. It looks similar to your picture. I'll take another look this weekend.
Thanks again, Don
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2008 ML350 2007 Honda Element 2007 Honda Accord 2009 Honda Civic |
#9
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I also am getting the P0455 code, so I need to check the gas cap and the Charcoal canister shut-off valve. But where do I look for the regeneration valve/Purge Control Valve on a 2000 C230K? How is this checked?
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Bruce 2000 C230K 1970 280SL |
#10
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My low fuel light flashers after I have taken my ten mile trip to work. And now my CEL is on with the P0455 code. I ordered a new fuel cap from Phill today. He suggested the regeneration valve; $63.00 would be next to check. He said he has sold some of these over the years. As for the Charcoal canister shut-off valve; $150.00 he has not sold any of these for the C230. So where is the regeneration valve and how do you check it?
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Bruce 2000 C230K 1970 280SL |
#11
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#12
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Purge control valve (under hood as in the pic) make a "tick-tick" noise when it's working properly. Warm the car, stop, pop the hood and listen for the noise and feel the valve as well as it can be felt working. I replaced my own this spring to clear the code, worked like a charm. My mechanic said that the shut-off valve is RARELY at fault.
As for diagnosis, he was able to use the SDS to determine which compenent was faulty. I presume there is some sort of emissions adaptation values or other way, but I didn't get specific with him.
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John Shellenberg 1998 C230 "Black Betty" 240K http://img31.exs.cx/img31/4050/tophat6.gif |
#13
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OK, somebody stole my shutoff valve! All the drawings say it should be there, but it's not. Maybe a there was model change? If I do have one, it must be somewhere else (see pictures). From all the comments, it sounds like I should try the other valve, so I'll let you know how it worked out. Thanks everyone for all the help.
Don
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2008 ML350 2007 Honda Element 2007 Honda Accord 2009 Honda Civic Last edited by DonB; 06-24-2006 at 03:41 PM. |
#14
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Starfinder is wrong on this one- the shutoff valve (and canister) is on the LR side- behind the fender liner. I've never seen one by the fuel pumps.
To help everyone- if the regeneration/purge valve is clicking after running a few minutes- pull the canister side hose off- the valve should be applying vacuum to the canister- if it is, it's probably OK. The shutoff valves are very common- easiest way to check is to plug it off and see if the system holds vacuum then- thats what the car does when it runs the test- actually you could get the car to run the test for you- must have between 1/4 and 3/4 a tank of fuel and let the car run an OBD2 drive cycle- if the code doesn't come back, the leak is gone. |
#15
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OK, I've replaced the purge control valve and cleared the code. If the CEL is going to turn on, it will be a couple of days.
MBtech21 - Thanks, I was starting to think I was nuts! But to clairify, were is the "LR side"? Does that mean Left-Rear side? Is that the driver or passenger side? I assume it's on the rear. Thanks, Don
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2008 ML350 2007 Honda Element 2007 Honda Accord 2009 Honda Civic |
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