Question about 2003 Jeep Grand Cherokee

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Grand Cherokee a non-starter

2003 Grand Cherokee crd 2.7 diesel. Won't start at all - appears to be fuel problem. Will be checking pump first, then immobilier. Any other ideas re likely problem ?

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Check the glow plug rail, Its easy to do, get a thick electric cable and hold it on the positive side of the battery and then onto the Rail connecting the glow plugs, do this for 20-30 seconds and try to start the engine, or better still get a friend to start the engine while you hold the cable on.
Diesel engines work on heat and compression, so if your glow plugs are weak then you wont get the heat needed to create combustion.

Posted on Sep 05, 2009

Testimonial: "I'm not certain whether this is the source of the problem, but its certainly worth checking out. Thanks for taking the trouble to respond "

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1 Answer

Am looking for the diesel pump timing on a jeep grand Cherokee 3.0


no year, stated, 1993 to now.
3.0? 2005?
what county?
what year....??

diesels
2.5L not in usa
3.1L not here
3.0 L Mercedes Benz CRD 05 to 2010, ww.,
3.0 L CRD V6 gen 3, 2011 up ww
a.k.a OM642


no job stated ! "just nebula's timing"
no symptoms stated.
or no DTC errors scanned reported !


om642 v6 runs common rail injection
with
The injection system operates at 1,600 bar (23,000 psi),
there is a lift pump in the tank and a super high pressure pump .
scan the PCM yet.
check fuses
change out fuel filters and bleed out air?


here are some CRD Links. (random but on 642 v6)


http://www.jeepforum.com/forum/f67/2007-wk-3-0-crd-80kmi-etc-cel-p0101-p0088-limp-mode-1443093/index2.html


http://www.jeepforum.com/forum/f67/crd-fuel-pressure-problem-2530618/


$1200 pump usa
$2500 Europe Euro Stage 4 Emission ouch.

i dont have a book, on it, but why would it need to be timed?9fb06357-a7bb-4b90-9bc3-76c13e034589.jpg

Apr 24, 2016 | Jeep Cars & Trucks

1 Answer

2008 Jeep Grand Cherokee 3.0 Mercedes CRD will not start


does it start and run for 3 seconds on test fuel

yes, engine ok, EFI bad.

no, bad engine, engine must be good to run.

EFI cant run bad engines..

so compression at spec......????



why beat the EFI to death,

all engines run on test fuel.

with gas engines, takes spark and good engine

on diesel, takes only good engine. simple huh (and some air)



for test fuel try diesel in a spray bottle into the injection port.

google this

or use youtube on test fuel on any diesel car. or truck



this is called basics....... basic basics.

1: good engine, and pumps air ok. (must breath)

2: good fuel.

3: test fuel works now. if not check above.

May 09, 2015 | 2008 Jeep Grand Cherokee

1 Answer

Bleed screw location


its on the fuel tree that goes to each cylinder.. it has a plastic screw on cover and under that is a shcrader valve similar to the valve in a tire stem..push in on this while the pump, is on.. wait for all the trapped air to come out..replace the cap and start the vehicle..

Dec 27, 2013 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Need new tail lights on crd 2008 Grand Cherokee, where can I buy them? and ship to Icelnad


did you all jeep:?
call them all and ask for international shipping.
they all have email. , all, google for Jeep dealer, click parts, click email.

Dec 16, 2013 | 2008 Jeep Grand Cherokee

1 Answer

2003 jeep grand cherokee will not start.


does is crank but no start,and are you getting spark to thw start plugd

Oct 29, 2012 | 2003 Jeep Grand Cherokee

1 Answer

Chrysler voyager 2.5 diesel where is the fuel pump thank you m wilde


Where the fuel pump is or whether it has a fuel pump depends on whether it is an older diesel (non crd) or a newer one. Even when they first started using the common rail diesel they didn't have a pump in the tank but installed them in later models when they realized that the low pressure pump attached to the camshaft wasn't strong enough to pull the fuel out of the tank.

Oct 11, 2012 | Cars & Trucks

1 Answer

No power to fuel pump


if your diesel pump is mechanical check on the back of the fuel pump close to the injectors pipes there is a cut off valve with wire,check it if is working or not because if is not working means that no fuel allowed to fuel pump,even you start many times. the other reason for not having fuel in the fuel pump is either the filter is blogged .

Sep 17, 2012 | 2003 Jeep Grand Cherokee

1 Answer

I own a Jeep Grand Cherokee 2003 CRD 2.7 Diesel. My problem: I drove one hot day and my powersteering just dissapeared. I have replaced new powersteering pump, checked my new fanbelt, but my powersteering...


if you've replaced the power steering pump to no avail,then i would look towards a bad power steering rack. the rack could be clogged or just a bad power steering rack,located under the jeep. at the center of the front end under the motor,just to rear of the engine.do you see it leaking at any point? if the pumps good,then i would go to the rack next.however i can suggest this if you choose to.these guys are great about helping people,call 1-865-691-3400 it's just jeeps

Mar 24, 2011 | 2003 Jeep Grand Cherokee

1 Answer

I can't find the fuel filter in my 2008 Diesel Grand Cherokee jeep


take off, the platic cover on engin( CRD), it will be right in the center of the motor

Sep 23, 2010 | 2008 Jeep Grand Cherokee

1 Answer

Won't start..


First you need to have a diagnostic done before you troubleshoot further,else it will take forever to locate this fault..

Sep 05, 2009 | 2003 Jeep Grand Cherokee

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