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 Post subject: 2006 CRD keeps shutting off while driving!
PostPosted: Sun Mar 19, 2017 7:43 pm 
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Ack! Wondering if anyone might be able to help me out. About last month out of nowhere when i put the keys in my jeep the engine wouldnt start. Would just keep trying to turn over but never get that kick to get it on. Thought this was odd it happened out of nowhere but then it finally turned on. It would do this every now and then and i never thought anything of it until it suddenly started dying while driving or stalling. I bled the head and pumped it up to find there was air in the line. I constantly was getting stranded on the side of the road having to bleed the line, and more and more it took longer and longer to get going again, until a few weeks ago i actually had to leave it spmewhere because i coulsnt get it going. We changed the fuel filter an searched the fuel line for anything leaking, and nothing helped. Finally brought it to a mechanic, who did a vaccum test on the fuel line and found low pressure delivery to the engine, with the inside fuel pump not working and the injector pulling the fuel on its own. He replaced the fuel pump and after a week of waiting and a good paychecks worth of spending for the mechanic, i finally got the liberty back, the motor being noticeably better sounding and all around felt much smoother. He added the battery was low but it is only a two year old battery and we guessed it probably was just strained from running dead trying to start it up on the side of the road. However, just this evening while turning onto my street, the engine died again, with air in the line again, and bleeding it over and over hasnt produced any result.

Im at wits end with my jeep and clueless where to go next, without much money at that. Ive lurked reading possiblities like crank sensors, brake and wheel censors, electronic errors, but dont know what to even do now, if anyone has any ideas itd be fantastic. Whatever the problem is it just seems to be getting worse, although somehow it ran fine for a weekends time (friday, saturday, sunday).


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 Post subject: Re: 2006 CRD keeps shutting off while driving!
PostPosted: Sun Mar 19, 2017 8:19 pm 
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What fuel pump did your mechanic replace?
The 05-06 liberty CRD did not have a fuel pump back in the fuel tank from the factory.
So unless the previous owner installed one...?

Check the fuel filter head for signs of fuel leaks.
Pull the two electrical connectors to see if either of them is wet with fuel.

If you have the in tank fuel pump, you can bleed the filter without the hand pump.
Just crack open the bleeder and turn the key on.
The pump should turn on and pump fuel up to the filter.
Close the bleeder when a solid stream of fuel comes out.

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Bought my '05 CRD on June 2nd '07, used with 29,000 miles.
intake elbow and EGR delete. 7 volt Etecno glow plugs
Yeti stage 2 ECU tune. Straight pipe exhaust. DIY intercooler hoses
Provent and modified factory 180F thermostat
Replaced cylinder head (cracked) at 160,000 miles + ARP studs
Cheap 1 inch lift, 245-75R-16 tires.
Still love it.


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 Post subject: Re: 2006 CRD keeps shutting off while driving!
PostPosted: Sun Mar 19, 2017 8:39 pm 
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Quote:
with the inside fuel pump not working

Just as Flash said: What pump are you referring too, are you talking about a fuel pump inside the fuel tank? The Jeep liberty CRD's did not come from the factory OEM with a feed or lift pump in or outside the fuel tank!
Unless a previous owner had installed a lift pump of some sort.
So to help you properly diagnose your problem we need to know what pump your mechanic replaced!!! :roll:

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05 Jeep Liberty CRD Limited :JEEPIN:
Blk Brush Guard/Hella's/LED's
Ironman Springs/Bilstein's
Yeti Stg4 MaxTune
Weeks ElbowKit/Battery Tray
NO FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pump
2mic.Sec.Fuel Filter
Flowmaster/NOcat
V6 Airbox
GM11 blade fan/Hayden HD clutch
Ironrock Trilink
98 Dodge Cummins, 5"exh. Viair,K&N


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 Post subject: Re: 2006 CRD keeps shutting off while driving!
PostPosted: Sun Mar 19, 2017 8:52 pm 
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It was a pump inside the tank in a harness if that helps, the old one they pulled out was dirty and deteriorated, and the tank had to be drained to remove and replace it.


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 Post subject: Re: 2006 CRD keeps shutting off while driving!
PostPosted: Sun Mar 19, 2017 9:04 pm 
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If it was dirty and deteriorated there must have been some very bad fuel in that tank at one time or another!
Did they clean out the tank an blow out all the fuel lines to get rid of any contaminated fuel?
Also, did they change the fuel filter? :roll:

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05 Jeep Liberty CRD Limited :JEEPIN:
Blk Brush Guard/Hella's/LED's
Ironman Springs/Bilstein's
Yeti Stg4 MaxTune
Weeks ElbowKit/Battery Tray
NO FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pump
2mic.Sec.Fuel Filter
Flowmaster/NOcat
V6 Airbox
GM11 blade fan/Hayden HD clutch
Ironrock Trilink
98 Dodge Cummins, 5"exh. Viair,K&N


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 Post subject: Re: 2006 CRD keeps shutting off while driving!
PostPosted: Sun Mar 19, 2017 9:09 pm 
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Yes! They cleaned the tank and bled it all through. The fuel filter that is on wasnt replaced but we had put on a week prior, so its not old at all.


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 Post subject: Re: 2006 CRD keeps shutting off while driving!
PostPosted: Mon Mar 20, 2017 11:15 am 
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Do you have a way to pull codes? If it wont start at all there could possibly be a code there. As flash said check around the fuel head itself for leaks.


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 Post subject: Re: 2006 CRD keeps shutting off while driving!
PostPosted: Mon Mar 20, 2017 12:32 pm 
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So were thinking the pump he replaced went bad already or wasnt properally put in, as we turned the key and nothing clicked or bled. Brought it back to mechanic to see whats going on.


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 Post subject: Re: 2006 CRD keeps shutting off while driving!
PostPosted: Mon Mar 20, 2017 1:38 pm 
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Drchannard wrote:
Yes! They cleaned the tank and bled it all through. The fuel filter that is on wasnt replaced but we had put on a week prior, so its not old at all.

That does not ensure that the filter did not get stopped up if it ran with the bad fuel in the tank.
I would replace the fuel filter to be sure...

A few have had a problem with the OEM fuel pump relay after installing an in-tank fuel pump. I would check it first and make sure it is energizing when you first turn the key on. It is in the power center under the hood and is clearly labeled. Put your finger on top of the relay while you have someone turn the key to the "ON" position, you should hear it click and also feel it engage. The pump should run for approx. 15 seconds or so when the key is switch to the "ON" position!

Even if the in-tank pump is not working, the CP3 will pull the fuel through the in-tank pump and suck it all the way to the CP3 injection pump provided you do not have any leaks that allow air to be sucked in and the fuel filter is not totally stopped up.
Have you tired to manually pump the fuel head up and see if it will start? If you cannot manually pump it up enough to get it to start, you have a major leak somewhere allowing air to be sucked into the system or a completely stopped up fuel filter... :(

_________________
05 Jeep Liberty CRD Limited :JEEPIN:
Blk Brush Guard/Hella's/LED's
Ironman Springs/Bilstein's
Yeti Stg4 MaxTune
Weeks ElbowKit/Battery Tray
NO FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pump
2mic.Sec.Fuel Filter
Flowmaster/NOcat
V6 Airbox
GM11 blade fan/Hayden HD clutch
Ironrock Trilink
98 Dodge Cummins, 5"exh. Viair,K&N


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 Post subject: Re: 2006 CRD keeps shutting off while driving!
PostPosted: Mon Mar 20, 2017 4:38 pm 
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Joined: Mon Apr 18, 2016 9:57 am
Posts: 53
Location: Albuquerque
If your lift pump is working and getting good fuel to the filter head, the pump plunger will be hard to push. If it pumps easy you have air or the lift pump is not pumping. Suppose a plugged filter might be this way as well.

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06 Liberty CRD--cheap lift and a Magniflow
04 Expedition--5.4L 4x4 Eddie Bauer
90 Bronco--5.0L another Eddie Bauer
81 Austin Mini--automatic, 1 liter of raw power
69 Cougar--398" of pure torque, when it ran


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 Post subject: Re: 2006 CRD keeps shutting off while driving!
PostPosted: Mon Mar 20, 2017 7:06 pm 
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Joined: Tue Mar 28, 2006 2:55 pm
Posts: 517
Location: Central Georgia
hmmm....

My first thought is the mechanic told you there was a bad pump, showed you one sitting around and charged you for one... and a bunch of labour. Sorry, but I don't know how a mechanic could even know there was a fuel pump on a CRD unless they REALLY were digging around and or the owner said "I have a aftermarket fuel pump" If a mechanic finds a fuel pump on a vehicle that doesn't actually come from the factory with one...the normal thing is a phone call to the owner saying "did you add the fuel pump? It's clogged"

Is the fuel head the new or old style?

If the old style, get a new style one put in. (imho many that got fuel pumps when having the old style fuel filter head would have been just as well served with the new style, of course I have not had any air in fuels issues to date with my 05..that I bought new. No fuel pump installed nor needed. I did get the new fuel filter head installed by a dealer for free without me even asking while getting a window regulator repaired under warranty. My old dealer mechanic had his own CRD and was pretty great... then he left the dealership and warranty ran out and it's my problem now)

See if that fixes the issue

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 Post subject: Re: 2006 CRD keeps shutting off while driving!
PostPosted: Mon Mar 20, 2017 9:17 pm 
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If you do indeed have an aftermarket in-tank fuel pump that went bad; I believe you will be the first on record on this forum reporting such a failure... :shock:
As I mentioned earlier, most issues reported have either been a problem with the fuel pump relay or a wiring issue, the pumps are pretty robust... :roll:

_________________
05 Jeep Liberty CRD Limited :JEEPIN:
Blk Brush Guard/Hella's/LED's
Ironman Springs/Bilstein's
Yeti Stg4 MaxTune
Weeks ElbowKit/Battery Tray
NO FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pump
2mic.Sec.Fuel Filter
Flowmaster/NOcat
V6 Airbox
GM11 blade fan/Hayden HD clutch
Ironrock Trilink
98 Dodge Cummins, 5"exh. Viair,K&N


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 Post subject: Re: 2006 CRD keeps shutting off while driving!
PostPosted: Wed Mar 22, 2017 11:29 pm 
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Joined: Sun Feb 12, 2012 6:38 am
Posts: 222
Location: Norton Ohio
My guess.. dying in traffic and such is Crank Position sensor. Especially if it has never been replaced, its very old now.

Mine had this problem and it threw NO codes. I thought it was Air in fuel and such but it ended up not being that. Crank position sensor will work sometimes then get hot and just not work. Its right behind the downpipe coming off the turbo, looks like a fat chapstick and is held in with 1 bolt. You will have to remove heatshield and such to get to it though.

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06 CRD Limited K&N, EHM, ORM, EuroTC, TransgoKit, Samcos

05 CRD Limited GDE Hot Tune, EuroTC, ARP Studs, Full EGR Delete, IDParts Hoses, Etecno 7v GPs, OME 790 Bilstein 916front, OME948 OME N132Lrear, JBA A-Arms, 245/75/16 Duratracs+Moabs, Renegade roof lights, Curt Front Hitch, BTF Kryptonite Diff, JCR Stage2 Rails, SkidRow Skids, HDS Tstat


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 Post subject: Re: 2006 CRD keeps shutting off while driving!
PostPosted: Thu Mar 23, 2017 10:18 am 
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The CPS (Crank Position Sensor) generally never give any DTC (trouble codes); they just put you on the side of the road!!! :roll:

CPS location:

Image

_________________
05 Jeep Liberty CRD Limited :JEEPIN:
Blk Brush Guard/Hella's/LED's
Ironman Springs/Bilstein's
Yeti Stg4 MaxTune
Weeks ElbowKit/Battery Tray
NO FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pump
2mic.Sec.Fuel Filter
Flowmaster/NOcat
V6 Airbox
GM11 blade fan/Hayden HD clutch
Ironrock Trilink
98 Dodge Cummins, 5"exh. Viair,K&N


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