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SUVs Jeep Liberty and Jeep Liberty Diesel Jeep Liberty Diesel
10698 messages, Last post on Nov 30, 2009 at 5:16 PM
You are in the Jeep Liberty and Jeep Liberty Diesel Forum. Your Hosts are steve_ & tidester
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Replying to: caribou1 (Mar 16, 2009 2:14 am) On occasion I might hear some electrical noise and I think it is coming from the motor that controls the flap used to shut the engine down more smoothly. I could be wrong and then again my hearing is not the greatest either. As to starting, I do hear a little sound from the rear that lasts a split second when I first start the Jeep in the morning or if it has been sitting all day. I believe that the fuel system is being pressurized in some way. If you try to pull the fuel filter after you shut down the engine and do not remove the fuel filler cap, there is a good chance you will get a little shower of diesel fuel all over the place. The tech at the dealer I use strongly suggested that I remove the fuel filler cap before changing the fuel filter. As to cavitation, if the fuel system does not leak, then air entering or being created by cavitation is very unlikely. One of the easiest ways to get air in the fuel system is to fill the CRD or most any diesel while the engine is running. If you are really low on fuel, it will probably happen. Diesel fuel loves to foam when dispensed from a pump. I saw it happen to a guy in a Ford with a Powerstroke . I warned him and he looked at me like I was from another planet. He filled his truck, got into it put it in gear and after twenty feet it sputtered and died. He could not restart it. I drove away with a smile on my face. |
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Replying to: winter2 (Mar 17, 2009 2:59 pm) My engine does not have the EGR air flow valve; I have the older system and my turbo sets it's pressure with a waste gate instead of variable vanes. I have the pre-production version of the one you have. I never get OBD codes on my console; mine is under educated compared to yours  Here is a page of the MY2003 manual describing my EGR system. My EGR is easily accessible, it sits just above the turbo and on top of the engine. I wouldn't get my hands dirty if I had to change it. This is much less sophisticated and highly efficient  http://richard.fortin.free.fr/KJ_diesel/OldCRDengine.pdf
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Replying to: caribou1 (Mar 17, 2009 5:31 am) |
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Replying to: winter2 (Mar 17, 2009 2:59 pm) You gotta love it when you get instant gratification like that.
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Replying to: caribou1 (Mar 18, 2009 12:24 am) 
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Replying to: siberia (Mar 18, 2009 3:57 am)
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Replying to: winter2 (Mar 18, 2009 5:16 pm) At a filling station I saw a pile of 1.25 US gal plastic bottles of what I though was windshield cleaner. They were filled with a crystal clear liquid that looked like water but was synthetic urea, compressed natural gas I think it is. Truckers who have modern tractors fill a separate reservoir (located behind the cabin) with this liquid. I was told they have an alarm that goes ON when the reservoir is empty and they can still use the engine when the emissions are no longer controlled. Under these circumstances I agree to upgrade because the vehicle's performance remains. |
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Replying to: caribou1 (Feb 12, 2009 2:30 am) What pressure do you run them at?..did you check the pressure lately? I bet it's low. I notice when I use my winter tires , I take a hit on mileage as well, but I know I am safer in the bad weather until the summer then I put my summer stock tires on. and I always run them at 38 psi.. Can you get Stanadyne cetane improver ?or Lucas formula upper cylinder lube additives there ?, your in France right?.. I would dump half a bottle of the stuff in her just clean the injectors they are partially plugged got to be.. What temperature is it out?.. are you plugging her in at night?..I blocked off my rad by putting 2 pieces of card board in front of it, until the weather gets above 40 Degrees. at least 5 Celcius.. I can't believe shell Vpower gives worse mileage..I've had good luck..we take a hit on mileage as well because of winter fuel and the cold weather that is expected. when was the last time you had an oil change?.. there is a lot of factors ,could have filled up with old fuel.. How about about the air filter hows she look?..and the fuel filter when was she changed?. should be changed every 2 years.. I get 26 mpg in the city but have better on the expressway route.,. I use the expressway to get to cruising speed of 90 km's then put it in cruise and then Decelerate , till I hit 84 km's/hr, that's 55-50 mph for you U.S. guys ..I drive in the truckers lane..that gives me 33 mpg on the highway. That's if your willing to save on fuel, to leave for work 10 minutes earlier and drink a coffee on the way while listening to music..and idiling to work. .IT'S NOT A RACE !! pace yourself..you'll save .. .Here in Canada Diesel is at $3.10 U.S. /gal 80 cents a litre. That's incentive enough ya know..?. Now everybody doesn't go over 55 mph , since the gas crunch in the summer.. And don't worry I won't rear end you ,you'll have a bunch of people doing the same , start a fad I always say ..I get critisized at work because I drive that speed but I am not late,and I say I get better mileage how about you ? what your mileage at 80 mph? they always answer crappy?..I say Oh I see..hmmm who is right now..?? well let me know how you make out? good luck..
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Replying to: lightnin3 (Mar 19, 2009 5:26 am) I run at 2.7 Bars / 39.2 Psi, 4wd permanent, weather went down to -10C during two weeks at the most, 5W-40 full synthetic oil and filter change every 25,000 KM, air filter is changed as soon as pollen covers it, fuel filter is replaced every 40,000 KM, I'm in heavy traffic between 1.5 and 2.5 hours everyday, I drive at 110 KPH and only get 18 mpg. But I'm not alone in this case, other Mitsubishi and Toyota trucks perform the same way. Altitude is 450 mt here, 10ppm Sulfur diesel is now less than one Euro per liter (~5USD per Gal). All this to say my truck has been used for almost 6 years and gave steady performance since day one. You have to understand that I get a bit less mileage because the engine is limited to 150 HP instead of 163 or 170 HP. When I had the original tires it didn't perform any better. I tried using the worst fuel available in supermarkets, because the higher end fuels did not justify the extra cost. I get exactly the same mileage during the winter season. This is new to me; I inquired and found that winterized fuel can be sold all year round simply because it isn't forbidden and doesn't need to be labeled "special fuel limited for winter" So, during the winter season I will buy the cheap stuff and wait until summer to buy Shell Premium Diesel afterwards. I heard V Power diesel was OK for manual shifters, but did not perform proportionally to the cost. |
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Replying to: nescosmo (Oct 07, 2008 8:16 pm) that crd grey liberty you saw was probably me as I was going to the airport. Actually my color is considered silver but I believe grey would fit. Tnilc99
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