Dreaded P0442, P0455 on '02 TJ Sport
Guest
Posts: n/a
Re: Dreaded P0442, P0455 on '02 TJ Sport
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
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
Guest
Posts: n/a
Re: Dreaded P0442, P0455 on '02 TJ Sport
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
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
Guest
Posts: n/a
Re: Dreaded P0442, P0455 on '02 TJ Sport
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
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
Guest
Posts: n/a
Re: Dreaded P0442, P0455 on '02 TJ Sport
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
> > news:sa2dnTmz4aX5yg7fRVn-hA@comcast.com...
> > > 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
> > >
> > >
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
> > news:sa2dnTmz4aX5yg7fRVn-hA@comcast.com...
> > > 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
> > >
> > >
Guest
Posts: n/a
Re: Dreaded P0442, P0455 on '02 TJ Sport
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
> > news:sa2dnTmz4aX5yg7fRVn-hA@comcast.com...
> > > 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
> > >
> > >
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
> > news:sa2dnTmz4aX5yg7fRVn-hA@comcast.com...
> > > 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
> > >
> > >
Guest
Posts: n/a
Re: Dreaded P0442, P0455 on '02 TJ Sport
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
> > news:sa2dnTmz4aX5yg7fRVn-hA@comcast.com...
> > > 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
> > >
> > >
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
> > news:sa2dnTmz4aX5yg7fRVn-hA@comcast.com...
> > > 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
> > >
> > >
Guest
Posts: n/a
Re: Dreaded P0442, P0455 on '02 TJ Sport
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
> > news:sa2dnTmz4aX5yg7fRVn-hA@comcast.com...
> > > 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
> > >
> > >
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
> > news:sa2dnTmz4aX5yg7fRVn-hA@comcast.com...
> > > 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
> > >
> > >
Guest
Posts: n/a
Re: Dreaded P0442, P0455 on '02 TJ Sport
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
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
Guest
Posts: n/a
Re: Dreaded P0442, P0455 on '02 TJ Sport
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
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
Guest
Posts: n/a
Re: Dreaded P0442, P0455 on '02 TJ Sport
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
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
