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#1
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Dreaded P0442, P0455 on '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 |
#2
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Have you checked to see what the emission control warranty covers? I
think that warranty is longer than the vehicle warranty. You may still be covered for this system. |
#3
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> Have you checked to see what the emission control warranty covers? I
> think that warranty is longer than the vehicle warranty. You may still > be covered for this system. Good question, hadn't thought of that. I have heard there are differences, I'll have to see what I can find. Thanks, JELo ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
#4
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When I had those same codes last Fall, I traced all the evap lines from
the tank to the canister and found a short piece of hose had split right at the purge solenoid. Replacing it cleared my codes shortly after for only $2. -- K.Campbell '01 TJ www.route19.com/jeep/ |
#5
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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 |
#6
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Here is a parts list for the CCV system:
http://www.off-road.com/jeep/cheroke...ltr/blowby.htm Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Troy wrote: > > 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 |
#7
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Wow thank you very much! I noticed the front grommet was leaking a small
bit of oil onto the valve cover, maybe this will fix it also? Troy |
#8
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Very likely. That system has a constant suction and is really finely
tuned with the intake from the air filter. If the small plastic tube blocks up, which happens pretty often from what I have seen or breaks or leaks, then the engine's normal blow-by will go back into the air filter even, let alone just to the grommet. The grommets also get hard and then leak. I have used RTV on a few to seal them to the cover. They have to be really clean first, then RTV will hold great. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Troy wrote: > > Wow thank you very much! I noticed the front grommet was leaking a small > bit of oil onto the valve cover, maybe this will fix it also? > > Troy |
#9
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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 > > |
#10
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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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