Question about 1999 Isuzu Trooper

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Isuzu 4JX1 EngineWont Start after replacing new injector

Hello..

anyone can suggest, assist, help me with these? my newly replaced injector did not received any fuel as i start(crank the engine)

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  • Mark Baines Nov 28, 2008

    just bought a 1999 3.0 trooper, parked it up after driving it came back next day and it wont start! just keeps cranking like there is no fuel???? ive checked the basics but no luck! any ideas please??

  • Anonymous Mar 19, 2014

    How do i line up injectors on isuzu trooper 4jx1

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My isuzu bighorn will not start after changing valve seals and head gasket and after setting timing it still will not start. do you have a solution.

Posted on Aug 14, 2011

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Looking for a fuel temperature sencor for my 4JX1 engine. can you assist in looking for a suitable supplier.
sanil,
fiji

Posted on Oct 07, 2008

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Simple test, open oil(diesel) filter,and full-it by diesel, tight back and bleeding.

Posted on Sep 12, 2008

You probably need to enter the new injector numbers into the ECU using a Tech2 Tester by your nearest dealer.

Posted on Sep 09, 2008

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1 Answer

How to fix an injector pump of 4jx1 engine


this is a USA forum what country are you in?
Fuel systems vary by engine, and country, so......?????
what needs fix'n?

the word fix has many meanings
  • how to rebuild the pump?
  • time it?
  • how to remove it put back?
  • how to bleed it.
  • and on and on... or a lift pump or ?
try to say what you are doing "the job" and why,
or if not a job, must be diagnosing it, ?
say , im trying to test it or. what ever you doing.
we cant guess, what fix means.
Diagnosing direct injection?



The 4JX1 is a 3.0 L direct injection diesel engine, turbo, some intercooled, which replaced the 4JG2 in the Isuzu Bighorn/Trooper/Holden Jackaroo.
It uses unit injectors and 4 valves per cylinder.

European and Asian buyers could opt for the diesel.

see we dont have this.
troopers are sold in Asia too, but not here with diesel.

Jun 28, 2016 | 2002 Isuzu Trooper

1 Answer

We live in New Zealand and own a 1998 Isuzu Bighorn, 3.0D. About 3 months ago it started idling roughly and stalling just after starting. Then it stalled on me when I was driving 70kph. It also has no


wow first post ever posting country ,what a brave person. !!!!
welcome to USA forums ,that have no such car.(truck)
the line up. (wiki list) so its 3.0L 4JX1
stalls and lost power.
The 4JX1 is a 3.0L direct injection diesel engine, turbo, some intercooled, which replaced the 4JG2 in the Isuzu Bighorn/Trooper/Holden Jackaroo. It uses unit injectors and 4 valves per cylinder.

can be caused by many reasons. get it scanned yet. ?
or see FSM book on flash codes from the direct injection fuel
controller? (per this engine option and market)

does turbo have proper boost? (PSI boost or +1 bar boost?)
does it even have a boost gauge.?
there are over 50 causes, of stalls (most inside engine)
but its not getting boost or the injection rates are wrong.
there are basic tests for each covered in the FSM
Factory (oem) service manual, with coverage for this engine.


3.2 L 6VD1 SOHC V6
3.2 L 6VD1 DOHC V6
3.5 L 6VE1 DOHC V6
3.0 L 4JX1 TD I4
3.1 L 4JG2 TD I4

Feb 15, 2015 | Isuzu Cars & Trucks

1 Answer

Where can i find Isuzu 4jx1 injectors in Zimbabwe or South Africa.


If you like I can send you one. I need the make, model and year of the vehicle as well as the VIN number.

Mar 23, 2014 | Cars & Trucks

2 Answers

Hello, can l use the 4jx1 gearbox if l was to replace it with 4jg2 engine .or l should change both with the gear box, advise.


Kindly did you managed to change 4jx1 with 4jg2? Did you changed the gearbox? What modification is needed for this change?
thanks.

Nov 23, 2012 | Isuzu Trooper Cars & Trucks

2 Answers

Hello Steve, I've just had a 4JX1 engine rebuilt. Vehicle does not start and rpm not jerking at all on kick and start trials! Oil seems to be moving ok. Could we have damaged may be any sensors? Thanks for...


hi Steve. May be sensor camshaft/crankshaft I have problems not srart engine 4JX1 Isuzu Bighorn I replaced sensor camshaft pma200578@mail.ru max russia

Feb 07, 2011 | Isuzu Trooper Cars & Trucks

1 Answer

My ist experienced with my 4jx1 engine was, diesel fuel mixing wid water inside my radiator so i replaced set of O ring at nozzle, 2nd is after a month i cant start my engine until i replace RPCV sensor...


you need to replacing Injector 'O; rings properly,
we had good experience with those problems.
if u need timing pictures & Injector 'O' ring pictures i can send u.
Edirisinghe Auto Engineering(Pvt)Ltd.
Sri Lanka.

Jan 07, 2011 | Isuzu Trooper Cars & Trucks

2 Answers

Our engine is running rough we have a 1999 Isuzu wizard 4jx1 - we think we have an injector problem - how can I check this fault - I need to establish if it needs a replacement injector or is it an...


Buy a can of throttle body cleaner take off the air filter box, follow the tube and then spray the throttle body and wipe it out first before condemning the injectors

Dec 01, 2010 | 1999 Isuzu Trooper

2 Answers

Isuzu tropper 4jx1


You have no injection pump ,each injector does that job .
You have a faulty rail oil pressure sensor I think ,read my tips to test this sensor .

Feb 06, 2010 | 1998 Isuzu Trooper

2 Answers

My Isuzu Trooper 2004 4JX1 turbo just underwent a general engine overhaul. Its cranking but will not start. All electricals are ok. Does the PCM needed to be reset for it to start?


The ECU will be fine with a engine rebuild but the 4JX takes a bit longer to start if all the injector oil paths are empty - can be up to 5 or 6 mins of 20 second cranking bursts.
Also if you rebuilt due to diesel in the oil from bad injectors the control valve for the injector oil pressure may be faulty so it wont start.

Apr 08, 2009 | 2001 Isuzu Trooper

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