Looking an a 2004 NPR that has a dump that's perfect for me but its power and tow rating or really lacking. Is there a good tuner to increase power and tow rating ..read more

We are a small MOM and POP fire sprinkler/HVAC company , We have an 2012 Isuzu Diesel NPR , a few weeks ago our driver called because it dropped into limp mode and the manual Regen would not work , We took the truck to MIlea which is the dealership we brought it from and the service mechanic. We purchased it brand new , Milea is saying the truck isnt worth the repairs unfortunately covid hit us hard and we haven't bounced back . We are hopeful but struggling . Below is an email I received... Can any one Give me some advice Please ..read more

I've got a couple lights that I want to mount on the headache rack. The Rr light switch doesnt activate an interior light or an exterior one. Ive got two LED lights that I'd like to hook up to it. Where do I find the power wire that comes out of that switch ..read more

Hello, I have a 1998 Isuzu NPR with 3.9 turbo diesel engine 4BD2T. For the last 10 days I've been having problem starting it. It cranks fine but it doesn't start. There is white smoke From the exhaust while cranking . Few days ago I started it with a starting fluid and it started and ran fine on it's own. Drove it for 15 miles until it fully warmed up and also did few stops and starts of the engine (while hot it starts fine) but if I leave it for an hour or more it goes back to no start just... 1998 Isuzu NPR 3.9 turbo diesel crank no start ..read more

Greetings all, I am looking for a small explanation of how the diesel gets sent from the fuel tank to the engine on a 2020-2023 Izuzu FTR. I have a 2023 Izuzu FTR 100 gallon aluminum diesel tank that I need to retro fit onto my 2005 IC Corp (International) FE300 School Bus. Both are approximately the same dimensions, the IC has an "in tank type" fuel pump sending unit and the Izuzu has an inline fuel pump sending unit. My initial thought process is that I could find the fuel delivery... Izuzu FTR fuel system ..read more

I have a 2012 izuz npr HD diesel automatic. I believe is has the 5.2 I4. Upon purchasing the gaskets on either side of exhaust brake had bad leak. Was causing the exhaust light to come on as well as DPF codes. Upon fixing gaskets the dpf codes seem to be gone, truck ram regen normal. There is a light on dash that stays on constant (has done since I bought). Best I can tell it’s an exhaust brake light. I can press the button on dash with same exhaust symbol but light doesn’t turn off. Seeing... Question regarding exhaust brake ..read more

Ive done many npr trailer light plug installs, but this 2022 has led taillights and when i wire the converter in the exact same way as i have done in the past on nprs with incandescent bulbs, it causes the trucks lights to go haywire, has anybody else ran into this issue or found a solution ..read more

Have a FVZ 1400 with a 6SA1-T which has dropped timing gear destroying engine, how easy or hard is it to swap it out for a 6SD1 engine ..read more

I need a front window for my 2006 Isuzu NPR-HD cab over. Most places want to replace the window with what came on the truck originally. It doesn't look like there is any tint on the original window therefore the sun bakes everyone in the cab. Any suggestions or other windows to look for? Thanks for your help ..read more

I bought a 1998 NPR with a dismantled 5.7 V8. I rebuilt the engine and installed. The fun was figuring out where all the hoses and wires went because I didn’t take it apart but managed to hook everything up. Engine started right up but oil spewed out of the return line on the oil pump. I can’t see how that oil gets back into the engine. Help anyone? Thanks ..read more