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Author Topic: Grand Cherokee 2003 2.7crd starting issue  (Read 1558 times)

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Merlywdd

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Grand Cherokee 2003 2.7crd starting issue
« on: May 12, 2018, 01:07:09 PM »

Hopefully someone can offer some wisdom, for some reason she will only start on easy start hot or cold, ive checked the fuel system no air, she runs like a watch but will not start without easy start was fine a couple days ago. My only guess so far is that the injectors aren’t getting a signal to open when cranking but when she fires on the easy start they get a signal, would this be the fuel pressure sensor on the front of the rail?

I’d appreciate some advice as it’s a real head scratcher

Cheers

Alun
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daggie

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Re: Grand Cherokee 2003 2.7crd starting issue
« Reply #1 on: May 12, 2018, 05:24:07 PM »

i think you will find, that one or more of your injectors, need replacing/rebuilt.
you really need to get it scanned, preferably at a bosch diesel specialist
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Grand cherry, 3.0 crd Overland
Grand cherry, 2.7 crd
95, Cherry, aka Blackie      P38 range rover

Merlywdd

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Re: Grand Cherokee 2003 2.7crd starting issue
« Reply #2 on: May 12, 2018, 08:53:25 PM »

Thanks for the input, but if the injectors were faulty wouldn’t I see that in poor running or loss of performance?
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daggie

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Re: Grand Cherokee 2003 2.7crd starting issue
« Reply #3 on: May 13, 2018, 07:19:13 AM »

nope !
it only takes one of them to be loose a bit of pressure to screw things up.
it could also be the pressure sensor on the fuel rail
a bleed off test could tell which injector is at fault.
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Grand cherry, 3.0 crd Overland
Grand cherry, 2.7 crd
95, Cherry, aka Blackie      P38 range rover

Mike Pavelin

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Re: Grand Cherokee 2003 2.7crd starting issue
« Reply #4 on: May 16, 2018, 12:26:55 PM »

Get a proper diagnostic done on it. You can waste an awful lot of time and money guessing.
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olliemossman

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Re: Grand Cherokee 2003 2.7crd starting issue
« Reply #5 on: August 27, 2018, 07:43:21 PM »

Ive had same trouble with my jeep cherokee kj crd ,would only start with sniff,had new battery,new starter ,new cam sensor ,new crank sensor, injectors redone,still no joy ,then sent for new fuel rail pressure sensor ,started but took a long time ,changed the pressure sensor again to an old one off land ranger ,starts now but no power from start, still need the right pressure sensor, can anyone ell me which is the right one. Please. I can put up with it now while it starts and runs but still not right.
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