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SUVs Jeep Liberty and Jeep Liberty Diesel Jeep Liberty Diesel
10709 messages, Last post on Dec 07, 2009 at 7:59 PM
You are in the Jeep Liberty and Jeep Liberty Diesel Forum. Your Hosts are steve_ & tidester
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Replying to: firemedic44 (Aug 22, 2009 7:22 am) 2. As you live in Chicago, cold is a problem. The wire for the block heater should be attached to the oil dipstick. I usually plug in if the temp falls below 15 degrees F. Plug your CRD in. It makes a big difference. 3. Cleaning the boost sensor is real easy. Caribou2 posted a picture or two in this forum. You will need a 4mm hex/Allen key wrench and make sure the engine is cold. The solvents that can be used are brake cleaner, Castle Shop Solv, or Power Foam from Amsoil. I clean it every 5000 miles and have nearly 55K on my CRD. 4. As I mentioned, domestic diesel fuel is swill, it sucks. Both of the additives I use have cetane improvers which will help starting and improve fuel economy and power. |
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I have a 2002 Cherokee (Liberty) and I have 2 issues with it. Firstly, the engine is lumpy. What I mean by that is that it sounds as if it is running on 3 pistons, performance is OK but has seen better days. Any ideas? It has recently had a set of reconditioned injectors fitted. The second issue is with the air-con. I have had it re-gassed twice this week but it still doesn't work. That is not strictly true, as it works when I leave the garage but then gives up the ghost the next time I start the engine. Again, any suggestions gratefully received.
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Replying to: fred_blogs (Aug 27, 2009 1:33 pm) As to the A/C, you have a pretty good leak. Some dye should be put in to find the source. On mine, the condenser nuts were not quite tight enough and that is where mine leaked, but not as fast as yours. |
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Replying to: kesh25 (May 30, 2009 2:14 pm) |
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Thanks very much for your replies. I am taking it in to the garage on Monday as I don't have the equipment to check it. I will be cautious about what they say thanks to your posts. Fore warned is fore armed! 
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Replying to: firemedic44 (Aug 21, 2009 2:16 pm)
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Replying to: jr101 (Sep 06, 2009 10:10 am)
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Replying to: jr101 (Sep 06, 2009 10:10 am) Disconnect the EGR and do the EHP and many of the problem will dissappear or at least they did for me. |
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Replying to: gormanp (Sep 06, 2009 11:04 am) Where is the location of the boost pressure sensor. I have already cleaned the map sensor which was clogged up but the vehicle still give me a code (P0299). I've also taken out the EGR valve and cleaned that up as well. I still get the same code. The only thing I have not done is the boost pressure sensor because I don't know the location. If you can think of anythig else please let me know. One last thing is there any way to test the electrical part of the EGR valve? |
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It sounds like you may have already found it. The boost/air temp sensor is held in with an Allen headed bolt to the top of the intake manifold, halfway under the injector harness.
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