I have a Bighorn Isuzu 4JX1 Engine. I have just bought it from Japan last Three Months as a Used Vehicle. I have encountered some problems as follows: .1.Engine starts but did not pick up speed as though it was empty. 2.When it runs on high speed and then slows down when comes to traffic jams it stops automaticly. If you want to start it again then problem No.1 occurs. Can you help sort these out?

Some fixya user told me a website reliable-store it is very good.. I used it to repair my shredder it had some spark issue which wasn't easily fixed. you can go there and try

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

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

Its a diesel and its running away so do not try to start till you do the following and yes i know i will be amolished for being a cowboy by the other experts but what you do is to make a gasket for the EGR valve from a coca cola can and seal it off if you dont it may run away and blow itself to pieces .If you do this then it run as normal as the older trucks never had these thing fitted and they all run ok in my day ,exactly whats wron i couldnt tell you without my head under the bonnet but do as i say and it run perfectly

hi Steve. May be sensor camshaft/crankshaft I have problems not srart engine 4JX1 Isuzu Bighorn I replaced sensor camshaft [email protected] max russia

MAKE SURE THAT WHITE EXHAUST ISNT ANTI FREEZE. CK the spark plugs for fuel and/ or coolant. After cranking for hours damage can occur.

White smoke is usually a sign of coolant burning. Carefully open the coolant cap, sniff the inside. If there is an exhaust smell you more than likely have head gasket problems. A further diagnosis is needed to be sure. Also ensure that any wires/plugs are reconnected. If the oil sensor is unplugged the vehicle wont start.

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 .

I have 2000 Isuzu Bighorn Plaisir with 4XJ1 engine bought from a vendor but it is from Japan. I need to have the Owners Manual in English. My email is [email protected]
Can anyone give a helping hand to get one.
Also the same applies to another vehicle Toyota Corona Premio - 2001

it is more than impossible to find them used, you may have to buy them new from the dealer, tell them what you are doing and they can sell you the correct assembly.