Question about 1999 Isuzu Trooper

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4jx1 what is the cause of low pressure oil

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Pump failure, wrong oil, filter plugged

Posted on Apr 26, 2013

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What does low oil pressure on 2008 Chevy Impala 3.5 V6 LS


Do you mean what causes low oil pressure? This is a very reliable engine for the most part. If the oil light is on or gauge is reading low, have the oil pressure sensor inspected for failure. These sensors do go bad.

Jan 27, 2016 | Cars & Trucks

1 Answer

Hi I have a 2002 Holden jackaroo 3 ltd and it will not start it just winds over wat could it be


Holden Jackaroo 2001 3.0 TDI 4JX1 Problems - YouTube

? 8:14
https://www.youtube.com/watch?v=xLySKue4HzM
Feb 22, 2013 - Uploaded by sandgroper111
Holden Jackaroo 2001 3.0 TDI 4JX1 Problems .... Hi there, currently own a 3.0 2002 lwb trooper 34K miles ...Missing: ltd

4jx1 cranks over but will not start - Jackaroo Technical ...

forum.australia4wd.com > ... > Jackaroo Technical

Nov 3, 2014 - 10 posts - ‎5 authors
Page 1 of 2 - 4jx1 cranks over but will not start - posted in Jackaroo Technical: Hi all, this is my first post so ... Holden at Pennant Hills Syd diagnosed a cracked cylindar head. ... I took the car into an auto elec at Alexandria who diagnosed No 3 injector faulty. ... I have a similar issue with my 2002 4JX1. 4jx1 rough idle, wont rev above 2500 rpm and wont ...
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Missing: ltd

Nov 17, 2015 | Holden Cars & Trucks

1 Answer

4jx1 causes of smoke dark smoke


Don't have a clue what a 4jx1 is, but if it is an engine, dark smoke (black) means excess fuel is getting into cylinders. This can be leaky fuel injectors, wrong fuel pressure, bad coolant temp sensor, defective ignition coil or module, bad spark plugs or wires, bad ECU, and others.

Jan 20, 2015 | Cars & Trucks

1 Answer

Oil pressure problem


if you have a 4jx1 3.0 engine then the engine wont run properly because engine oil pressure is what drives the direct injection system.
Check for blocked oil filters 2 pieces if not remove the oil pan and check the oil pickup tube for oil sludge blockage

Jul 14, 2014 | 2001 Isuzu Trooper

1 Answer

Low oil cause low oil pressure


No, the oil level nothing to do with the pressure.
If you have low pressure, check the sender unit, check the pressure with a mechanical gauge, if still low, check the pump

Mar 28, 2013 | 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

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

1 Answer

Loud ticking noise


Ticking is generally associated with a valvetrain problem but may be caused by low oil level or pressure. Noise is in the upper half of the engine. Knocking is from low oil pressure and is caused by worn bearings causing pressure loss. Knocking is the worse of both conditions (means overhaul or engine replacement.) Ticking needs to be checked for it's cause...if cause is low oil pressure, remember...oil pumps don't cause low oil pressure, pressure will lost if bearings are worn or pump inlet screen is plugged with carbon.

Jul 18, 2009 | 1999 Jeep Cherokee

2 Answers

I cant find the location of diagnostic socket of Isuzu 4jx1


The ODB socket is just under the plastic trim that goes over the gearlever cover by your right foot , no tools needed to get it out .
The 4JX1 is a HUEI type engine so the diesel is not under high pressure until injected .
To prove if the fuel is starved put fuel in a can and pipe it into the hand primer pump direct .
Most likely cause is the Rail Oil Presure Sensor as this controls the amount of fuel injected via the ECU .

Jun 18, 2009 | 1999 Isuzu Trooper

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