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Starting problems 2002 KJ Jeep diesel engine starts, runs between 1 and 5 seconds and shuts down. Symptoms would appear to be out of fuel, but isn't. Has plenty of fuel right up to common rail

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Sounds like its sucking in air from some were

Posted on Jan 25, 2008


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2 Answers

How does the diesel fuel system work -does it have a lift pump

The function of diesel fuel system is to deliver the diesel fuel to the engine clean of of purities at the right pressure. In most generating unit diesel engines, the fuel system loop consists of the following major parts:
1. Day Fuel Tank
2. Fuel Water Separator
3. Fuel Strainer
4. Fuel Supply Pump
5. Fuel Filter
6. Fuel Injection Pump
7. Injectors
8. Return line to the day tank
Hope it can help you.
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May 13, 2016 | Cars & Trucks

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02 jeep liberty 2wd auto and 3.7L v-6. Only 10,000 miles on a Jasper Remanufactured engine. Was running fine then the motor just shut down. Tried to restart and it would run for only a few seconds.

Run basic tests= fuel pressure at key on, spark, compression, etc. Hate to say this but I am not a fan of Jasper engines. I have seen pistons in facing the wrong way, con rod caps installed backwards, just to name a few. Good luck. I would start with fuel pressure test.

Apr 21, 2016 | Jeep Cars & Trucks

1 Answer

Engine runs for about 30 seconds and shutdown like an electrical shutdown as opposed to a fuel related shutdown.

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Jan 01, 2016 | Cars & Trucks

1 Answer

2004 jeep cherokee idles high when started and stays high?

all jeeps use a MAP sensor
"speed density system" ways and means.
and all race with air leaks, (aka. vacuum leaks) with full power.
did you scan the PCM first?. that be first in every case.
if not , you work totally blind. (must we?)
no engine stated. (size and fuel matters)
making accurate answers impossible.!

2004 Cherokee, not here, not in USA< on this USA forum.
my guess its really a

"KJ / Since 2002 The Liberty (called Cherokee outside USA, very odd that)"
so to USA readers its a Liberty. for sure.
in what country ive not a clue, nor what engine options
they use THERE.

i have the 2002,and 05 KJ FSM book.
i see the exports have diesels. got diesel?
our KJ have 2.4L or 3.7L engines.
both race , with vacuum leaks.

one leak that can happen (not guessing)
1: throttle plate gunked up and now leaks air, because the throttle can not close fully.
2: ISC stuck open. (idle speed control valve)
3: vacuum hoses cracked, or just fell off.?

and 50 more ways to leak air, huge.. .in the real world.
we pinch hoses and use propane gas to find leaks
or the smoke machine.

Aug 30, 2015 | Jeep Cars & Trucks

1 Answer

Can anyone please tell me where the cam sensor and crankshaft sensor are located on a 2002 RAV4 2.0 D4D...116BHP Problem is wont start when engine is hot.

this a diesel. (our is 2.4Lgas(petrol)
cold starts fine,runs perfect cold RIGHT?
common rail system.

the PCM will tell you when those are bad, cranking for 5sec or running.
does your run,. ? if yes for get them. and scan engine PCM.
some sensor takes major work to reach.

get the FSM on that car. y
so get the FSM for your car, your engine and your country
The DI chapter covers this. read that yet? diagnosis?
did you use the scan tool an see what up's up or not ?

your engine really is.
1CD-FTV I4 (diesel)
that is the correct name, so study only that)

no start hot.
its too much fuel or tool little?
to little?
did you try test fuel to see if loss of fuel is the problem?
on diesel it's poor compression
or lost fuel , hot starts.
easy huh , no spark to check , there is no spark
some diesels have 1 sensor for injector timing.
if flooding , you get black smoke out the tail pipe, so id suspect
you'd have noticed that and did not see it.
test fuel, tests.
if this fails, a full hot compression test. its not the cam belt slippped
if runs ok cold,

i bet the injectors are shut down
the PCM tell you why, so let it.
SCAN it. after 5 seconds cranked.
almost all PCM report 1 bad pulse of 10 in all speed sensors.
(CKP or CMP )

Feb 24, 2014 | 2002 Toyota RAV4

2 Answers

Hard starting

It sounds like the fuel pump pressure is leaking down after seeing this cause long crank times and all the symptoms you describe, and yes you will smell gas, which seems like a rich condition but isn't. Have a shop run a test called a "Fuel pressure leak down test", it takes about 30 minutes to run.

Oct 04, 2012 | 1995 Jeep Wrangler

1 Answer

2006 Cherokee KJ 2.8 CRD intermittent problem. Engine starts then stops. After priming at fuel filter will start & run ok

fuel pump relay . you should hear the fuel pump run for 5 seconds as soon as you turn the key on .after that the cranking sensor takes over when engine it turned over to start

May 26, 2010 | 2006 Jeep Liberty

1 Answer

1999 f350 diesel engine shut down, turns over but

that fuse powers pcm fuel heater and some other things. when the fuse blows the pcm shuts down. causing it to not run. usually its the heater that is bad. it is located at the back driver side by the fuel pump. you can unplug it and see if it starts. if so you will need to replace the heater

Jan 06, 2010 | 2002 Ford F350 Super Duty DRW Reg. Cab

1 Answer


try changing out the plugs and test each cylinder.Also fuel injectors could be bad or clogged Im going to give out a little secret for you go to the truck stop big 18wheeler refuel store and buy some diesel fuel cleaner yes diesel fuel cleaner for your gas related clogged injector problem pour in 1/4 for the big bottle and 1 1/3 for the medium sized ones and the entire bottle for small one work with every fill up on gasoline engines no injector or hesitation problems better acceleration and response unlike others who have the 2003 better performance and gas mileage also wutxtye0rjd9d9ekmodqt1eoxkvn9hr9qjz1l3dabggyud7sdgr36czsrfxqenadhnijx9nfayi+sz1sug0aaaaasuvork5cyii=

Mar 28, 2009 | 2003 Jeep Liberty

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