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Thought I would update, truck is finally fixed!!! The fuel system was contaminated looks to be a foreign was put in the tank and took out the injection pump and the injectors one by one. Acid dipped tank, new lines, filters, filter housing, primer ball, dampers, injection pump and injectors and...

Well replaced injection pump this morning and my desired pressure is 5565 and actual is 4527, only way to get it to run is with a shot of ether while cranking 465 psi desired 7500psi

Metal shavings in one for the lines

Started to to that also last night and found some small pieces that look and feel like rubber, almost like the rubber line from the tank is breaking down

Ok tahnk you again pulling the rail now

Current code finally pulled a code and check engine light p0088

Well found this morning that one of the new dampers that we put in is stuck closed, only 5 days old, but do not see any metal pieces

Found all this debris in the injection pump tiny filter late last night

One more question I just noticed the scv was replaced by Hino but in 2021 could it be bad already? If I unplug that sensor it does not shut the truck down but previously it would shut the truck down

The one for the cab or the one by the fuel tank? And thank you for all you information

I completely agree don't want to throw crazy money but have wiggled wires on both the fuel rail pressure sensor and the scv also the dealer replaced the scv and the harness that goes to it, have unplugged them and checked them

The truck keeps getting worse now it will not start on its own, have to use starting fluid to get it start, it will run smooth until yu give it gas then starts to misfire, the more you try to give it gas it seems like the more it starts to misfire. Do you think we are looking at a bad injection...

was able to borrow a scan tool to pull codes, says no active codes but have a list of inactive codes u1001 p0183 p0193 p0628 p0102 p0113 p2122 p2127 p2120 p0405

It is able to drive just is a complete dog

No nothing done prior just what I listed has been done after the problem started. This problem actually started almost 2 years ago but would only happen on and off, now it is immediately. Any help or tips would be greatly appreciated

Disconnecting the mass air flow sensor does not make any difference

This has been an on going issue that would happen every couple hundred miles, then every 100 miles, no it is instantly as soon as you give it throttle. From what I have read from your posts, I do not think my scanner is compatible with Hino, it is for HD trucks but not working.

2007 Hino 258 idles great as soon as you give it throttle is starts to misfire. Has been to the local dealer, they replaced the egr valve, svt solenoid, brake switch, and determined there is a bad splice some where in the harness and did an overlay to get good power to the circuits for vnt, egr...