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My 4ja1 engine became noise after injection pump overhauled

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Recheck the timing of the pump as it may be out enough to be firing too early. IF you refitted the pump then have a diesel mechanic do the timing

Posted on Dec 28, 2013

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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: i need engine parts for overhaul of 1998 nissan serena 2.5 liter direct injection turbo diesel engine

I had found hiperformer dealer online store page where they have a huge range of auto parts from about 40 car models in their online site.
With some cheap pricing offer and 90 days money, back option to their customer with online purchase feature.
You can check their page for your engine parts that your mechanic needs @ http://www.hiperformer.com/automotive.

Posted on May 08, 2013

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I need timing diagram for Isuzu 4JA1 engine


posted 2 times now. left out CAM.
we are USA form, we are not African
we dont have KB trucks. here.
no books.
zero.

search ,get lucky.
here is a fixya search
see any thing.
http://www.fixya.com/search.aspx?ref=ser&s=4JA1%20cam&

last i look for this engine on web
and find this book,
page 23 is injection timing'

page 100 cam timing,(pdf page)
4ja1 and 4jb1.
http://www.valvulita.com/sites/default/files/isuzu_4jb1_workshop_manual.pdf

Jan 04, 2017 | Isuzu Cars & Trucks

1 Answer

The csd relay kicks and cut the current to the heater plugs and pump when i connect the upper temp sensor isuzu 4ja1, 2.5l turbo what could be the problem, pump and injectors are reconditioned?


what car ?
what year.?
what model car.
what country, (engine and fuel system vary by,,, country)
Bakkie means Austrailia, we are USA forum and dont have the car here, nor books on it, what is uses for injection cant guess.

why not post to a "Australia isuzu forum".. and get fast accurate answers. Goggle that and bingo, it hits. in 1sec, flat.

the books are not free. isuzu sells them in your country
if you ask on Aust, forum maybe someone has the book and can scan it.? for you?

seem like it needs major electric work.
why not go to Isuzu and buy the book, and have all that,....

Oct 04, 2015 | Isuzu Cars & Trucks

1 Answer

I need blink diagnostic code 22 for my tata indica dls v2 bs2 diesel car model2007


How long after the Injection pump repair did this start happening? If not long ago, I'd go back to the repair man or ?Dealer?. Was the overhaul Manufacture recall? It's highly unusual for injection pump failure on a fairly recent Auto.

Mar 03, 2015 | Tata Indica Cars & Trucks

2 Answers

Engine light comes on when engine is hot. Power is the greatly reduced. When engine is cold it drives perfectly. Toyota 7afe 1.8 litre fuel injection, modded aspirated. I've rebuild the motor due to a big...


Hello,
There is a possibility that the old motor was not burning properly and you have carbon build up on the O2 sensers. A poorly functioning O2 senser will not allow the Fuel/Air mixture to work as you give it gas under load. You could have multiple O2 sensers too.

Dec 08, 2014 | Cars & Trucks

1 Answer

Newly overhaul isuzu 4ja1 but oil comes out from positive crankcase ventilation


im having the same experience with my isuzu rodeo 1990 4ja1. i overhauled it last december, spent almost 1500dollars on the overhaul kit and again 300 for paying the guy. The engine was running very good and brand new for 2 days only when i suddenly noticed a big drop in engine power while driving. There's oil coming out of the head breather tube and pushing it into the intake manifold. And now much worse oil coming out of my dipstick and my front and rear crank seal also. Can someone please tell me what the problem and best solution is because my car has not even driven for a year with the new overhaul kit and im having the same problems again. This issue is really driving me crazy.

Sep 29, 2013 | Cars & Trucks

1 Answer

Timing marks for 2.5 isuzu diesel pumo


Freek Rohrbeck wants answers to this question
are so lazy you cant start your own post?
1: no country stated.
2: no year (1990?)
3: no engine, (freeks engine) not ANON. 2.5 Diesel.?
4: we dont have PUMO in usa, so where are you?
5: timing a cam, or timing a fuel pump, how can we guess that?

ahhhhhh PUMO is PUMP ????? wow. prefect place for a typo..

its no USA "pickup" at all.
2.5 L 4JA1-T
is this your true engine name
if yes, google it and find free facts (or endless lies)
there is turbo , non turbo and twin turbo, on newer cars)

here we can google all day

https://duckduckgo.com/?q=4ja1+fuel+pump+timing&ia=web

May 08, 2012 | 1990 Isuzu Pickup

1 Answer

I am not particular with this mitsubishi 4m40 engine, i just wanna ask, if how can we maintain and ensure if this is in perfect timing, we could'tn see any timing marks except from its pulley, so...


There is a special tool to put back the injection pump. MH063302 OR IT EQUIVALENT. On crankshaft gear mark 1, on idler gear mark 11 to match them. watch the timing chain marked and idler marking.

Aug 10, 2011 | Mitsubishi Montero Cars & Trucks

1 Answer

What is the rating capacity for engine kb250 4jb1


The 4JA1 is a 2.5L, 93mm bore, 32 stroke direct injection 16V engine.

Hope it helps.

Apr 08, 2011 | Isuzu Pickup Cars & Trucks

2 Answers

I need engine parts for overhaul of 1998 nissan serena 2.5 liter direct injection turbo diesel engine


Hi again,

Is your Serena:
1. auto transmission or conventional shift?
2. 4 wheel drive or Front Drive?

Salamat ulit.

Jun 27, 2008 | 1990 Nissan Minivan

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