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CB Meyer Posted on Aug 27, 2014
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1992 isuzu bighorn 3.1 turbo diesel, rebuilt injection pump, will not cold start

1992 isuzu turbo diesel recently rebuild on injection pump, will not cold start without using nulon starting spray

1 Answer

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  • Isuzu Master 20,706 Answers
  • Posted on Aug 31, 2014
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Joined: Apr 06, 2013
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1: compression good.
2: glow plugs hot.
3: test fuel, does test fuel work??????
yes, you did it wrong
no, #1 or #2 caused.

5 Related Answers

Anonymous

  • 4 Answers
  • Posted on Sep 12, 2008

SOURCE: isuzu bighorn starting issues

i think you must be check starter ring first,my experience to repair Isuzu truck, the stater ring was release from flywheel, not wonder but its could be happen.Try check first.

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Anonymous

  • 1 Answer
  • Posted on Feb 21, 2009

SOURCE: 1998 Isuzu Bighorn Diesel. The car just won't start

I have a 1998 Bighorn 3.0L if the wrong grade of oil is used in the motor it miss fires and runs rough, due to the injectors being oil pressure controlled, I have heard of extreme cases causing a failure to start when cold. good luck

simontricket

Simon

  • 235 Answers
  • Posted on Aug 25, 2009

SOURCE: Isuzu bighorn diesel 4jg2 engine timing diagram

http://www.jeepolog.com/UserFiles/downloads/trooper_manual.pdf

This site has it .

simontricket

Simon

  • 235 Answers
  • Posted on Oct 23, 2009

SOURCE: 1998 isuzu bighorn diesel starts and shuts off

If you got the 3.0 i'd say its the rail oil pressure sensor goin west .
If its the 3.1 check your shut off solenoid on the fuel injection pump as they can fai,l stop the engine then be ok next time you start up .

simontricket

Simon

  • 235 Answers
  • Posted on Dec 25, 2009

SOURCE: 1998 Isuzu Bighorn 3.1 turbo diesel. Proceedure

Drop the gearbox down and out, take off the flywheel and you can see the seal then , prise it out ,cut off the wearing if it has one, tap on the new wear ring ,fit the new seal and replace the gearbox .

You maybe gotta jack up the back of the box to get the top bolts out , depends how handy you are .

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Related Questions:

0helpful
1answer

Isuzu Trooper 3.1 Diesel Bighorn Turbo repair.

Question edited for clarity and typo.
Question moved to model category.

There is a repair kit for them.

https://www.google.com/search?q=Isuzu+Trooper+3.1+Diesel+Bighorn+Turbo+repair.

..
0helpful
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1999 ISUZU BIGHORN (diesel 4jx1) DEVELOPS A HARDSTART AFTER WARMING UP.SCANNED AND ITS P0198.CHANGED OIL TEMPERATURE SENSOR YET PROBLEM NOT SOLVED. CAN SOMEBODY ADVVICE ON THE SOLUTION

After warm up, disconnect the wires to the cold start switch and see will it start easily after warm up. If it starts easily, you found your problem. Cold start switch being faulty will keep giving it too much fuel making it a rough start after warm up. Remember, this stuff is operated by a computer now.
0helpful
1answer

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.
0helpful
1answer

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
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1answer

Isuzu bighorn diesel

run the fault codes to find the reason for the engine light and the transmission light
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Replace speedo sensor on isuzu

www.myisuzuparts.com you need a speedo gear
9helpful
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1998 isuzu bighorn diesel starts and shuts off without any warning while driving.

If you got the 3.0 i'd say its the rail oil pressure sensor goin west .
If its the 3.1 check your shut off solenoid on the fuel injection pump as they can fai,l stop the engine then be ok next time you start up .
1helpful
1answer

Turbo timer installation 94 isuzu bighorn

CAN YOU FIND IT THE ENGINE AND A/T WIRING DIAGRAM
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