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My first post on this issue, thought I could get some help. My EGR valve keeps messing up. My check engine light keeps going off every time this happens and it always codes for an EGR problem. This will be the 3rd time I replace the EGR valve in the past 2 years. The second time it was replaced under warranty, but I'm tired of having to change this same part so many times. Why does it keep going out? and what can I do to prevent it? :sick:
Also, I drive sometimes to clean out the valve. What I do is run 55 MPH with overdrive off for a few miles. According to my scan tool, intake manifold input air temperature is high under this condition indicating that the EGR valve is pretty much wide open. Then I floor it up to around 70 MPH to fully close the valve – still overdrive off.
I am just telling you my situation and not trying to say that this is your problem or that what I am doing will work in your case. You could have a different problem and replacing the EGR valve is not the solution.
Last week I cleaned the engine compartment for the first time : this is my 150,000 Km service.
I desperately checked for leaks and inspected the Boost Pressure Sensor. Since I disconnected the EGR (about 5 years ago) there is no soot on the sensor anymore.
I have a slight diesel fuel smell after one hour of travel but no trace of leak around the engine. All injector connections were tight and dry.
The only corrective action I had to take was to clean a 'solid' deposit that had formed inside the fuel filter bowl, under the heating element. This took me 15 minutes and one dozen Q-Tips :shades:
I'm new to this forum and also have problems with the EGR valve on my 2005 Jeep Liberty. At 50,000 miles the check engine light came on and there was a loss of power at low RPM. When the engine was cold there was almost no throttle response from a stop, then a huge power surge and an equally huge black cloud behind me. My local Jeep dealer (where I am employed) replaced the EGR and cleaned the system. Everything worked great until 68,000 miles. I now have the exact same problem. I have noticed on this forum that several people have disconnected their EGR valve. I talked to our technician about that and he said he could do it but that the check engine light would be on continually. Is there a way around that?
Re engine light remaining on (after 3 warmups) If it is a glitch in the system, try this: Hold the mileage rest button in and turn the key to the stop before starting. You will see a self test occur with lights, and dials sequencing, and if a glitch, may cancet the engine light.. It worked on mine on a couple of occasions in the past.
Not this time though, as I have a P1140 code, but have not tried all the suggestions mentioned above. Hope it cures your engine light on, problem.
It's time to change the timing belt on my 06 CRD Liberty.
The dealer quotes almost $900 in parts to do the job.
In light of all the current problems at Chrysler, I'm looking for sources for parts for this engine. I'm open to any suppliers in the U.S. or Europe. Was this engine used by any other manufacturers? It is the 2.8L 4-Cyl. Turbo Diesel Engine (CRD).
Any help would be greatly appreciate.
Thanks!
Dan
You're being asked 1/2 of what I had to pay to have the work done at 60,000 miles, so welcome to Jeep's rich owners club :sick:
This morning I met a retired couple from Great Britain who got rid of their Liberty because of prohibitive cost of maintenance beyond 100,000 miles. They were looking at my CRD because their brand new Honda CRV had a problem and no parts were available yet on the continent. Sad but true, they have to drive 700 miles to get back home in a rental Fiat. The lady said she preffered the Jeep to the Honda.
I replaced the relay and pulled one of the bulbs and it ohm'ed out fine.
Anybody else experience those lights not working?
I should have known that because I would clean the O2 sensor on my Cadillac and the performance and mpg would jump back up.
Now, I'm wondering what other sensor I can clean.?!?
:shades:
88,000 miles and it was the sensor.
Easy to replace. It's on the back side where the oil filter screws on and you have to take to skid plate off to get to it. The skid plate it's very simple with 4 bolts and a short 3/8" extension.
The dealer had a sensor in stock for $65 bucks (I could have bought it cheaper on eBay.)
I love this damn Jeep.
I read a post by a european bragging about how "BULLET PROOF" these VM Mitori engines are and they drive them all over their continent for decades. Their only complaint it the government mandated crap on the exterior.
Now... I know... that an oil sensor in not government mandated but 88,000 miles ain't bad.
I have a set of tires that are rated for 60,000 miles and I remember back in the 60's when we couldn't make the whole damn car go 60,000 miles...lol... :shades:
That's funny! I did the same thing when I bought my CRD too. Okay, just to let you know, (cuz I had no clue) that when your fox lights don't work anymore... just replace the fuse. I had no idea that they were on the fuse.
I have the same problems as you do. My turbo has been replaced and my EGR valve has been replaced twice and the fuel pump too, I believe. I had no idea how to describe what was going on, and you have described all my issues. Recently, my CRD has been stalling. I figured out it's a loss of fuel pressure. I have to prime it about 20 times and than it will start. My problems don't seem to be going away. Is there something I can clean to prevent this from happening?
DieselKimmie
Hi again,
Can you tell me how to clean the turbo sensor behind the fuel pressure sensor? Or tell me where I can find instructions on how to clean it? Is there anything else I can clean to improve my CRD? I have a loss of fuel pressure and by this, I'm stalling frequently, I'll have to prime it about 20 times than I'll get her running again. But it's a pain in my butt to keep having to do this, and it's not reliable...
My turbo, ERG (twice) and the fuel pump have been replaced. It's getting old. My mileage is around 22 also, when it should be more towards 30.
Any help would be greatly appreciated.
DieselKimmie
A. Use Chevron "white" diesel (it's easier on the expensive fuel filters and cleaner on the EGR and CAT).
(bio-fuel would be fun, cool, feel and smell better but where can we get that, right?)
B. Drain the water from the fuel filter every 10k.
C. Bleed the air from the top of filter with pump every 10k.
D. Clean the MAP sensor every 10k.
E. Clean the MAF sensor every 10k (I suggest a tooth brush and MAF cleaner for both).
F. Clean the Turbo filter with a different clean tooth brush and compressed air every 10k or sooner if you drive a lot of dusty roads or follow on the same.
G. Get a 5/8" bailer plug from marine store for the oil pan plug because some moron is going to strip it out.
H. add this to the regular schedule of maintenance and I could not point to one that would be more important than the other because just about either of one of them (excluding the bailer plug) will make your CRD run like CRUD and make you think you have a lemon. BUT YOU DON'T...The VM Mitori engine is bullet proof...it's the American emissions, sensors and dirty fuel that we have to clean up and think diesel.
I. "I" is for what "I" don't know yet...
DieselKimmie...The MAP (manifold absolute pressure) sensor is behind the fuel pressure sensor on the right rear top side of the motor. Take the motor cover off by removing the oil cap and pull the entire cover up and off. Disconnect both the fuel sensor plug and the MAP sensor plug. Do not remover the fuel pressure sensor, you just need the extra room to work. You can pull up the wiring harness to get better access. Use an allen wrench to remove the one allen screw that holds in the sensor. Be careful not to drop the screw. The sensor pushes in and pulls out with a donut gasket. Clean it with MAP sensor cleaner or break parts cleaner and an old tooth brush. Put it back in.
The MAF (mass air flow) sensor is located in front of the airbox filter. Take it out , clean it, put it back in.
The turbo air filter is behind the air box. It looks like an inline fuel filter but bigger and is open to air. Take it off...use compressed air to clean or replace.
let me know how it goes...
I could use some help and direction. The Jeep dealer says my EGR valve has failed and they want to charge me $850.00 U.S. that I don't have. Is this necessary? I haven't noticed any performance problems other than the check engine light. I have 41,500 miles on the 2005. What do you recomemend? Can this be done by a novist mechanic? Jeep told me they have to calibrate it when the EGR valve is replaced (not surewhat that means exactly). The part lists for $220.00 U.S. can the original be cleaned? I doubt it had anything cleaned on it I bought it with 30,400 about 8 months ago and I've done nothing except for change the oil (mobil 1 0w-40) and wix oil filter and rotate the tires. Typicall I only get 23 to 24 mpg. Of course I'd like to increase that if possible.
Thanks in advance
Or maybe someone near you can do the bypass thing.
Online Repair Manuals
I have the CD and they are helpful.
It won't tell you how to do a egr bypass.
but worth the fifteen bucks.
tidester, host
SUVs and Smart Shopper
I changed the fuel filter a couple of thousand miles ago and ran 2-3 of tanks of injector cleaner through it which seemed to help.
Now the OBD light has come on and stayed on for the last week and several startups. We took it to the local Jeep dealer, that doesn't work on Diesels, and they plugged it into the computer and got the following fault codes: P0093 "fuel ststem large leak", P0299 "turbo underboost" and P0300 "multiple cylinder misfire" - all fault codes are fuel system related.
I'm in Cal e fornia and since the diesels were never sold here none of the local dealers have ever been trained to work on them. I'm told ours is the only one they have ever seen.
Can anyone tell me more about the 3 fault codes. Is there anything I can do or do I need to take it to a dealer that works on the Dodge Sprinter, which uses the same engine? It seems to be running great right now. Will it hurt anything to continue driving it with the OBD light on? Does anyone know how to reset the OBD light?
Back to my original question. Does anyone have any experience with the three codes I listed, and if so, what did you do to clear them?
Thanks
They called saying they needed to replace the fuel filter assembly and electrical connector then retest for the three codes......well replacing the filter and connector took care of all the codes and $ 331 later the Jeep is purring again!
now for my problem. I am having an issue with diesel being sent to ( limp in mode)
quite often. I have removed and cleaned the boost sensor around 5 times in the last
3 years. However the other day I removed it and as I was cleaning it noticed that the
sensor probe tip has what looks like a 2 piece contact probe arrangement.
my question is does anyone know if the probe is suppose to be a solid tip (soldered) or a 2 piece contact configuration.
Thanks in advance
Tnilc
I can help. Drop me a line at ddvman@earthlink.net.
Dan
ALSO, If you are buying filters at auto stores you might not have heard about the possibility of the housing overheating and causing damaged wiring or even fire. When I went to Jeep dealer for a filter they told me $100. I about choked. It wasn't a recall issue just a service bulletin update. I went with the new housing and later learned I could have just unplugged the wires to the heater. I don't know what unplugging will have on winter driving so I guess I am glad to have the new heater housing.
http://www.bosch.com.au/content/language1/downloads/Map_Sensor_Technical_Specifi- cation.pdf
You can distinguish the pressure sensing "chamber" and you can see the temperature probe on the side. We may not all succeed in cleaning the pressure sensor depending on the solvent we use and how long we let it soak to dissolve the residue.
I have a '05 CRD. 112,000 miles. Has anyone experienced a knock on braking? It happens during around town driving at low speeds. I will be driving and slow down, at the final instant before a full stop I get a pop/knock that seems to originate from the undercarriage. I have had a couple of mechanics look at it with no luck...
Also, I have the whine. I had my rear differential looked at and cleaned up, but my gears are totally fine. Whine still present... has anyone experienced this as well?
I'm contemplating selling/trading my baby, and don't want the knock to bring my price down!!
Help.
Charlotte
I have 2006 jeep Liberty same problem.I just got it back from the shop.
Get your repair shop to check the emergency brake.
It may be caught up in the back brakes.
Anne
Did you have any luck with the knock?
Did you get the emergency brake Checked?
Anne
Last spring, we had a problem starting our 06 Jeep Liberty CRD and the dealer found one bad glow plug and had to replace all the glow plugs because they no longer use ceramic glow plug and have switched to all metal. Dealer had problems big time, fried the computer, replaced the computer and had problems programming the computer. It took weeks until they had it running again. How do we know that the new glow plugs, computer are working? We have another diesel [German] and the glow plug light always comes on.
Here is the result. The oil which managed to not drip significantly on the gravel so I could see it caused numerous hoses to be compromised. They have a coating on the inside to protect them from the oil they carry but NOT the outside. If I had needed to crawl underneath I would have seen there was oil leakage but it coated the side of the engine and was not noticeable on my gravel driveway.
The hose that carries pressurized air from the turbo split and I heard air swooshing every time I gave it a bit of throttle. Several of the hoses that are part of emissions were cracked and compromised. The hoses that carry trans fluid were so soft it is a wonder they didn't burst and dump all my trans fluid on the ground.
Mind you, I checked under the hood at about halfway through the 6000 mile mark for the oil change and I did not see that oil leakage. Must have been right after that that things went down hill. It was probably two months that leak was eating away at my hoses and rotting them.
So, at 134,000 miles my Jeep went in to find out what the dickens was the start of the trouble. A new EGR valve, all new hoses to the turbo, new oil separator, new trans fluid lines fluids, and labor cost me $1,400 at the dealer. The EGR alone was $267! They did me right for labor and parts according to what some others are reporting for costs.
Evidently when this starts it starts too small for you to see any drips. But its eating away at all your hoses. So for pete's sake look under there more often if your vehicle has miles on it. In my case it was how long the hoses soaked in the oil. It doesn't take a lot because when I checked the oil it was down only half way between max and min.
My car was purchased fr Oregon, we did not realize it had been stripped of its cat converter, which is required in California.
I am looking or a used one in good working condition.
Thanks!