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#11
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That is the plastic CCV line Jeff, I gave him the parts list.
Mike Jeff Strickland wrote: > > That is a rubber hose. > > "Troy" <troy@ .> wrote in message > ... > > I had this problem, I found that a plastic connector leading up to my > intake > > manifold from the valve cover was cracked and pulling air... covered it > with > > some duct tape (i know, redneck) and stopped the leak/error codes from > > popping up. Now if I can only find out what to call it so I can get a new > > one from the dealership... > > > > Troy > > > > |
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#12
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> You have a leak in the gas cap, or the gas cap is missing.
> > 0442 = Evaporative Emission Control System Leak Detected (small leak) > 0455 = Evaporative Emission Control System Leak Detected (gross leak) > > > I would not even consider the cause for the 442, and focus my attention on > the 455. After all, a small leak is only a small leak until it is a big > leak, but a big leak is a small leak in the beginning. My guess is that your > cap is not being put on well, or it has a diaphram of sorts inside that is > failing or has failed. either way, you need a gas cap. If you have a locking > gas cap, take it off and leave it at home for a couple of weeks while you > use the factory gas cap, or any other gas cap for that matter. Clear the > code and replace the cap, and see if the code comes back. I don't think it > will, and then you can spend the Family Fortune, or your kid's college fund, > and buy a new locking gas cap. I am the only one who drives this thing so I can't blame it on the wife this time . . . but I did notice that the cap 'ratchets' way too easily. So I suspect it is not sealing properly. Never wore out a gas cap before!? So I pulled the line that comes from the gas tank and attaches to the charcoal canister in the engine compartment and connected a little tire pump to it. With the pump running, sometimes the line and tank would hold pressure when I screwed the gas cap on and sometimes it wouldn't. So that may be the culprit. Hmmmmmm Thanks for the ideas, I'll check the other hoses too. JELo '02 TJ Sport > > Okay, so warranty expired a few months back > > and now I start getting the dreaded P0442 and > > P0455 MIL errors (small and large leaks in the > > evap emissions system). I have reset the > > computer several times and they keep coming > > back - no other errors though. > > > > So I want to start by replacing the gas cap as > > some have suggested elsewhere. Local dealership > > (the only one for 150 miles in any direction) wants > > $20 and they would have to order it! Is there > > anywhere online I can get a factory gas cap for > > a reasonable price? > > > > What other things should I be checking related > > to these codes? > > > > Any ideas greatly appreciated . . . JELo |
#13
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"JELo" > wrote in message ... > > You have a leak in the gas cap, or the gas cap is missing. > > > > 0442 = Evaporative Emission Control System Leak Detected (small leak) > > 0455 = Evaporative Emission Control System Leak Detected (gross leak) > > > > > > I would not even consider the cause for the 442, and focus my attention on > > the 455. After all, a small leak is only a small leak until it is a big > > leak, but a big leak is a small leak in the beginning. My guess is that your > > cap is not being put on well, or it has a diaphram of sorts inside that is > > failing or has failed. either way, you need a gas cap. If you have a locking > > gas cap, take it off and leave it at home for a couple of weeks while you > > use the factory gas cap, or any other gas cap for that matter. Clear the > > code and replace the cap, and see if the code comes back. I don't think it > > will, and then you can spend the Family Fortune, or your kid's college fund, > > and buy a new locking gas cap. > I am the only one who drives this thing so > I can't blame it on the wife this time . . . > but I did notice that the cap 'ratchets' way > too easily. So I suspect it is not sealing > properly. Never wore out a gas cap before!? > > So I pulled the line that comes from the gas > tank and attaches to the charcoal canister > in the engine compartment and connected a > little tire pump to it. With the pump running, > sometimes the line and tank would hold > pressure when I screwed the gas cap on > and sometimes it wouldn't. So that may > be the culprit. Hmmmmmm > > Thanks for the ideas, I'll check the other > hoses too. JELo '02 TJ Sport > > In any case, limit your search for now to physical leaks and forget about sensors and crap like that. The code(s) you are getting are the same fault in varying severities, when you find the gaping hole and fix it, the code for the minor leak will go away. You are aware that you can check out the code reader from the auto parts store and reset the codes, right? At least you can use the code reader for free in the Once Great State of California, now known as the People's Republik of Kaleefornia. You can buy one on eBay for about $75. |
#14
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as many i replace in a week i'm shocked they had to order it we have a
least one for each model JELo wrote: > Okay, so warranty expired a few months back > and now I start getting the dreaded P0442 and > P0455 MIL errors (small and large leaks in the > evap emissions system). I have reset the > computer several times and they keep coming > back - no other errors though. > > So I want to start by replacing the gas cap as > some have suggested elsewhere. Local dealership > (the only one for 150 miles in any direction) wants > $20 and they would have to order it! Is there > anywhere online I can get a factory gas cap for > a reasonable price? > > What other things should I be checking related > to these codes? > > Any ideas greatly appreciated . . . JELo |
#15
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ccv is different than the evaperative system and they do no connect to each other
check around the vapor cannister for cracked hoses Mike Romain wrote: > That is the plastic CCV line Jeff, I gave him the parts list. > > Mike > > Jeff Strickland wrote: > > > > That is a rubber hose. > > > > "Troy" <troy@ .> wrote in message > > ... > > > I had this problem, I found that a plastic connector leading up to my > > intake > > > manifold from the valve cover was cracked and pulling air... covered it > > with > > > some duct tape (i know, redneck) and stopped the leak/error codes from > > > popping up. Now if I can only find out what to call it so I can get a new > > > one from the dealership... > > > > > > Troy > > > > > > |
#16
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look for rust in the gas cap center hole on the white part and if there is any
it's bad JELo wrote: > > You have a leak in the gas cap, or the gas cap is missing. > > > > 0442 = Evaporative Emission Control System Leak Detected (small leak) > > 0455 = Evaporative Emission Control System Leak Detected (gross leak) > > > > > > I would not even consider the cause for the 442, and focus my attention on > > the 455. After all, a small leak is only a small leak until it is a big > > leak, but a big leak is a small leak in the beginning. My guess is that your > > cap is not being put on well, or it has a diaphram of sorts inside that is > > failing or has failed. either way, you need a gas cap. If you have a locking > > gas cap, take it off and leave it at home for a couple of weeks while you > > use the factory gas cap, or any other gas cap for that matter. Clear the > > code and replace the cap, and see if the code comes back. I don't think it > > will, and then you can spend the Family Fortune, or your kid's college fund, > > and buy a new locking gas cap. > I am the only one who drives this thing so > I can't blame it on the wife this time . . . > but I did notice that the cap 'ratchets' way > too easily. So I suspect it is not sealing > properly. Never wore out a gas cap before!? > > So I pulled the line that comes from the gas > tank and attaches to the charcoal canister > in the engine compartment and connected a > little tire pump to it. With the pump running, > sometimes the line and tank would hold > pressure when I screwed the gas cap on > and sometimes it wouldn't. So that may > be the culprit. Hmmmmmm > > Thanks for the ideas, I'll check the other > hoses too. JELo '02 TJ Sport > > > > Okay, so warranty expired a few months back > > > and now I start getting the dreaded P0442 and > > > P0455 MIL errors (small and large leaks in the > > > evap emissions system). I have reset the > > > computer several times and they keep coming > > > back - no other errors though. > > > > > > So I want to start by replacing the gas cap as > > > some have suggested elsewhere. Local dealership > > > (the only one for 150 miles in any direction) wants > > > $20 and they would have to order it! Is there > > > anywhere online I can get a factory gas cap for > > > a reasonable price? > > > > > > What other things should I be checking related > > > to these codes? > > > > > > Any ideas greatly appreciated . . . JELo |
#17
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Out here in the boonies (north central Wyoming),
Jeep is a sideline for the local GMC dealership and they'd really rather sell you a GM product so they don't stock much in the way of Jeep stuff. JELo > as many i replace in a week i'm shocked they had to > order it we have a > least one for each model > > JELo wrote: > > > Okay, so warranty expired a few months back > > and now I start getting the dreaded P0442 and > > P0455 MIL errors (small and large leaks in the > > evap emissions system). I have reset the > > computer several times and they keep coming > > back - no other errors though. > > > > So I want to start by replacing the gas cap as > > some have suggested elsewhere. Local dealership > > (the only one for 150 miles in any direction) wants > > $20 and they would have to order it! Is there > > anywhere online I can get a factory gas cap for > > a reasonable price? > > > > What other things should I be checking related > > to these codes? > > > > Any ideas greatly appreciated . . . JELo |
#18
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> > > You have a leak in the gas cap, or the gas cap is missing.
> > > > > > 0442 = Evaporative Emission Control System Leak Detected (small leak) > > > 0455 = Evaporative Emission Control System Leak Detected (gross leak) > > > > > > > > > I would not even consider the cause for the 442, and focus my attention > on > > > the 455. After all, a small leak is only a small leak until it is a big > > > leak, but a big leak is a small leak in the beginning. My guess is that > your > > > cap is not being put on well, or it has a diaphram of sorts inside that > is > > > failing or has failed. either way, you need a gas cap. If you have a > locking > > > gas cap, take it off and leave it at home for a couple of weeks while > you > > > use the factory gas cap, or any other gas cap for that matter. Clear the > > > code and replace the cap, and see if the code comes back. I don't think > it > > > will, and then you can spend the Family Fortune, or your kid's college > fund, > > > and buy a new locking gas cap. > > I am the only one who drives this thing so > > I can't blame it on the wife this time . . . > > but I did notice that the cap 'ratchets' way > > too easily. So I suspect it is not sealing > > properly. Never wore out a gas cap before!? > > > > So I pulled the line that comes from the gas > > tank and attaches to the charcoal canister > > in the engine compartment and connected a > > little tire pump to it. With the pump running, > > sometimes the line and tank would hold > > pressure when I screwed the gas cap on > > and sometimes it wouldn't. So that may > > be the culprit. Hmmmmmm > > > > Thanks for the ideas, I'll check the other > > hoses too. JELo '02 TJ Sport > > In any case, limit your search for now to physical leaks and forget about > sensors and crap like that. The code(s) you are getting are the same fault > in varying severities, when you find the gaping hole and fix it, the code > for the minor leak will go away. Have looked and looked and I can't seem to find anything that even looks like it could be a hose related problem. At only 22K miles, everything under the hood still looks realy good. I'm going to keep looking though. > You are aware that you can check out the code reader from the auto parts > store and reset the codes, right? At least you can use the code reader for > free in the Once Great State of California, now known as the People's > Republik of Kaleefornia. You can buy one on eBay for about $75. I did get one off of Ebay a while back and it has proved useful in a few situations. At least now I can erase the codes without having to reprogram the radio! Thanks to all for the help, JELo |
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