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The 2005 Isuzu 4HL1 smoother E engine has no power over hills what could be th problem

Posted by Sheldon Miller on

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2 Answers

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  • Isuzu Master
  • 20,706 Answers

What car, why not say what car?
what country. is it. (name vary by country )
ah Smoother is a transmission on and ELF huge truck, not sold here, in USA on our USA forum.
so...
same, lost compression
fuel delivery
filters clean? all filters related.? (air /fuel)

here is the list, which one?
did you scan the PCM yet? is it a turbo.?

  • The 4HL1 is a common rail direct injection OHC 16V high-pressure fuel injection system diesel engine of 4.777 L capacity with electronic control system. Peak torque is 333 Nm, peak power is 140 PS (103 kW) at 3,000 rpm. Maximum torque is (34.0 kg m)'/1,500 rpm. Bore is 115 mm, stroke is 115 mm.
  • The 4HL1-N is a common rail direct injection OHC 16V high-pressure fuel injection system diesel engine of 4.777 L capacity with electronic control system. Peak torque is 333 Nm, peak power is 131 PS (96 kW) at 3,000 rpm. Maximum Torque is (34.0 kg m)'/1,500 rpm. Bore is 115 mm, stroke is 115 mm.
  • The 4HL1-TC is a common rail direct injection OHC 16 V turbocharged and intercooled high-pressure fuel injection system engine of 4.777 L capacity with electronic control system. Peak torque is 425 Nm, peak power is 160 PS (118 kW) at 2,700 rpm. Maximum torque is (43.3 kg m)'/1,500 rpm. Bore is 115 mm, stroke is 115 mm.
  • The 4HL1-TCS is a common rail direct injection OHC 16 V turbocharged and intercooled high-pressure fuel injection system diesel engine of 4.777 L capacity with electronic control system. Peak torque is 500 Nm, peak power is 179 PS (132 kW) at 2,700 rpm. Maximum torque is (51.0 kg m)'/1,500 rpm. Bore is 115 mm, stroke is 115 mm.

first learn whats under the hood (cab).

Posted on Jun 30, 2016

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  • Isuzu Master
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Loosing compression
fuel delivery

if its the DiD ...internal carbon build up

Posted on Jun 30, 2016

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idapizznowoo

Pia Sofea

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SOURCE: I need to see isuzu 4hl1-2 ecu pin out

i need isuzu 4HF1 ECU PIN OUT

Posted on Apr 26, 2016

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I want to know where is engine no.of isuzu 4hl1 engine model 2005


the serial, ?
in what country?
each country has import laws.
that dictate the type of serial and locations,
on some engines in some countries, there are none.
all facts.
Answering for SERIAL. use that word,
or engine ID and sequence number.

Nov 07, 2016 | Isuzu Cars & Trucks

1 Answer

4HL1 isuzu torque specs


ENGINE power torque, in foot/lbs.?
or bolts.?
try to say ,what,.????
Job doing, must we guess that?
what bolts if bolts, we cant post the full engine spec here.

no car stated
no year stated
no country stated. (engines can in fact very by all that)

Nov 06, 2016 | Isuzu Cars & Trucks

2 Answers

Is there a ECU for the Isuzu 2005 4HL1 Isuzu engine that can eliminate the DID system


doubt it

easier to drop a non DID engine into the truck

..4HL1 Isuzu engine

26228527-035vjdxxs0ku3tdpzp0izks4-1-0.jpg

Jun 30, 2016 | Isuzu Cars & Trucks

1 Answer

WHY DOES MY ISUZU 4HL1 ENGINE HAVE A HARD START ALWAYS?


no car stated, huge NPR truck no less.
no year stated
so no free book information on that engine,.
big diesel. 4HL1, no dash letter?
compression at spec.?
glow plugs work.,
filters clean. water in fuel,
does test fuel (spray'd) help? ???
injection problems
lack of startup air.(filter)


The 4HL1 is a common rail direct injection OHC 16V high-pressure fuel injection system diesel engine of 4.777 L capacity with electronic control system. Peak torque is 333 Nm, peak power is 140 PS (103 kW) at 3,000 rpm. Maximum torque is (34.0 kg m)'/1,500 rpm. Bore is 115 mm, stroke is 115 mm.
The 4HL1-N is a common rail direct injection OHC 16V high-pressure fuel injection system diesel engine of 4.777 L capacity with electronic control system. Peak torque is 333 Nm, peak power is 131 PS (96 kW) at 3,000 rpm. Maximum Torque is (34.0 kg m)'/1,500 rpm. Bore is 115 mm, stroke is 115 mm.
The 4HL1-TC is a common rail direct injection OHC 16 V turbocharged and intercooled high-pressure fuel injection system engine of 4.777 L capacity with electronic control system. Peak torque is 425 Nm, peak power is 160 PS (118 kW) at 2,700 rpm. Maximum torque is (43.3 kg m)'/1,500 rpm. Bore is 115 mm, stroke is 115 mm.
The 4HL1-TCS is a common rail direct injection OHC 16 V turbocharged and intercooled high-pressure fuel injection system diesel engine of 4.777 L capacity with electronic control system. Peak torque is 500 Nm, peak power is 179 PS (132 kW) at 2,700 rpm. Maximum torque is (51.0 kg m)'/1,500 rpm. Bore is 115 mm, stroke is 115 mm.

May 31, 2016 | Isuzu Cars & Trucks

1 Answer

How to set timing gear marking of Isuzu 4Hl1


what car, or what truck... name it and weight class if truck.
what year.
what country.?
Diesel. H engine.

did you google for that. first.
we dont have many running Isuzu here, in USA, so finding facts here is hard. (a USA forum.)
alldata.com does cover what was sold here.but only for USA cars.

here is the list of all engines.
use this to find the true full name of yours, the google for free facts
is that is too hard, (can be) get the FSM on your car/truck. at ISUZU.
?4HL1-TCS is a common rail direct injection OHC 16V turbocharged"

http://en.wikipedia.org/wiki/List_of_Isuzu_engines

as you can see there are 12, "H" engines.
some are very different from the others.....

ok ill google for you,, 1 example

i see it answered here.


https://www.google.com/webhp?gws_rd=ssl#q=isuzu+4h+engine+cam+timing

Apr 09, 2015 | Isuzu Cars & Trucks

2 Answers

I need to see isuzu 4hl1-2 ecu pin out


what country, what engine?
what year.?
what car?
http://en.wikipedia.org/wiki/List_of_Isuzu_engines

ECU vary by country, and engine, and other factors (many)
this is a USA forum so all answers may be USA but we dont have your car, (most cars we dont have thanks to EPA) but see?
we need to know exactly what you have.
and where. it is.

Feb 16, 2015 | Isuzu Cars & Trucks

1 Answer

Elf with engine 4hl1. Where can I get a wiring diagram?


in what country?
what year ELF.?
wiring,of what?
the whole truck, or just engine, electrics.
Isuzu sells a book, that covers this, ask them yet?
as you can see its direct injected.
and injections systems are not the same for every country. (smog laws. etc)
get it scanned yet.
no job stated, no problems stated, no symptoms stated.


this engine is:
The 4HL1 is a common rail direct injection OHC 16V high-pressure fuel injection system diesel engine of 4.777 L capacity with electronic control system. Peak torque is 333 Nm, peak power is 140 PS (103 kW) at 3,000 rpm. Maximum torque is (34.0 kg m)'/1,500 rpm. Bore is 115 mm, stroke is 125 mm.

Sep 15, 2012 | Isuzu Cars & Trucks

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