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I have a 2009 Isuzu NPR-HD (Diesel) that has no acceleration!! Please help!!

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  • Contributor
  • 2 Answers

Check the operation of the waste gate actuator. Mine had corroded to the point it was not moving. The engine wouls start, idle but no revs when the gas pedal was depressed.

Posted on Aug 07, 2013

  • john Jan 23, 2015

    I have just cured another issue that cropped up. Truck ran OK up to 35 to 40 MPH then there was no more acceleration. Removed fuel filter and there was water and debris in the filter housing. Fitted new filter and now shes back to full power.

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 34 Answers

SOURCE: a/t oil temp light come on 1999 isuzu npr diesel

Check your trans fluid and inspect for leaks asap. If level is good and leaks are none to minimal, I would suggest a new trans cooler. Your current one could be clogged.

Posted on Nov 23, 2009

Shorty1_wt
  • 324 Answers

SOURCE: isuzu npr 5.7 gas not starting on its own

sounds like its time to replace the fuel pump.

Posted on Feb 05, 2010

  • 1796 Answers

SOURCE: I need a Fuel Injection

Hi!!
Go to this site to download a manual. http://www.pdfoo.com/isuzu/248-6673-pdf.html
In case it does not work, go to this site to look for the info. you need www.isuzutruck.co.uk
Good luck!!

Posted on Sep 28, 2010

  • 1 Answer

SOURCE: 2000 GMC W3500 diesel (ISUZU NPR),cranks but no

fuel line pick-up broken in the fuel tank

Posted on Feb 14, 2011

  • 978 Answers

SOURCE: 1991 isuzu npr prime fuel system

normally the primer is on the filtre and bleed screw there too
what i normally do is fill the fuel filtre with clean diesol and fit and then prime if you r have=ing real difficulty you could open pipes going to injectors and turn over ttill you see the diesol coming from pipes ,but normally just prime it it should start

Posted on Nov 01, 2012

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1 Answer

Isuzu npr 2008 diesel belt routing diagrams


this is no NPR forum.
not even close, just cars and light trucks 4k or less.
not 27,000 lb ones.
hope you get lucky,
I buy the book, so can do work and not beg for 1000 pages 1 by one.

go to isuzu,
walk in
and buy the book on your big truck.
I do not think there is any online big truck support books.
nor in Autozoned.
sorry....
or get it serviced?

btw, no engine stated.

Dec 11, 2016 | Isuzu Cars & Trucks

2 Answers

I need a wiring diagram for a 2004 isuzu npr diesel.


Sorry we do not have wiring diagrams for this car

Aug 15, 2016 | Isuzu Cars & Trucks

2 Answers

What is the torque spec on 98 isuzu npr front wheels


Julie
what year NPR 1998
what weight class.?
if not sure post a photo of the beast. !
sorry not all NPRs are the same, not EVEN close.
so not listen to the net rumors, why trust your life to rumors>?

read this, (where are you?)

The fifth generation Isuzu Elf appeared in July 1993, with more sculpted headlights.
In May 1995 it received a minor change, including upgraded, cleaner diesel engines.
An OEM deal with Nissan led to the Elf also being sold badged as a Nissan Atlas and a Nissan Diesel Condor 20/30/35 beginning at this time, followed by the Nissan Atlas Max from 1996 until 2000. The Atlas Max was based on the new, lighter duty Elf 100 (June 1995) which was available with a 2-liter petrol or a 2.5 or 2.7-liter diesel engine.[20]
In May 2004, subsequent to a few minor changes, the Elf underwent a more major facelifts with new, larger, trapezoidal headlamps.
Another OEM deal was forged at this time and the Elf was now also marketed as a Mazda Titan in parallel.
In Malaysia, this truck is manufactured by Heavy Industries Corporation of Malaysia (Isuzu HICOM Malaysia) under the name of HICOM Perkasa, but carrying the Isuzu N-Series Commando badge.
? 100ft/lbs is a good guess, but is but a guess.

26227038-hcarwwi55zt2ubntm0jkk53e-1-0.jpg

Jun 27, 2016 | Isuzu Cars & Trucks

1 Answer

I don't know how to change fuel pressure regulator in my Isuzu 2007 NPR can somebody give me a hand on that


this is no heavy truck forum. its only light and cars.
NPR what, (the number)
and what engine? fuel parts match up to and engine.
no year NPR. wow. and have gas or diesel engines.
no fuel stated either.
NPR started in USA in 1985 (this is USA forum)
this?

26185177-qvvdcm34jvcwbumk4o5kywm4-3-0.jpg

May 04, 2016 | Isuzu Cars & Trucks

1 Answer

My 2002 isuzu npr diesel f14 ign/ecu fuse blows about 20 seconds after starting. The glow plugs are on the circuit. It's not a direct short to ground. I'm can't find the right wiring schematic.


first off
no country stated
the books are indexed by
country
year 2002
isuzu NPR heavy truck
ask Isuzu for matching FSM book at your dealer.>
factory service manual.

shorts
remove all loads on the feed F14.
then add them 1 by 1 until it blows. bingo. last add is shorted
id bet ecu and glows are not same feed
glows suck huge current
ecu, nill

join a read isuzu forum
or heavy truck?

Feb 01, 2016 | Isuzu Cars & Trucks

1 Answer

1991 isuzu npr prime fuel system


normally the primer is on the filtre and bleed screw there too
what i normally do is fill the fuel filtre with clean diesol and fit and then prime if you r have=ing real difficulty you could open pipes going to injectors and turn over ttill you see the diesol coming from pipes ,but normally just prime it it should start

Nov 01, 2012 | Cars & Trucks

1 Answer

What is the torque specification on the main and conecting rod bearing of an isuzu npr 4bd2?


Main bearing caps 116-130 ft-lbs
Connecting Rods 58-65 ft-lbs

This is for the 2.2L Diesel engine.

May 04, 2011 | 1995 Isuzu Rodeo

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