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Multifuel Engine Issue.. Newb

rivired

New member
226
2
0
Location
federal way washington
Searched high and lo on this one and couldnt find any help....

So now that my truck is completed ive been driving it and i have this issue where at higher rpm's ..and lets say a NUETRAL or light throttle level...the engine like...HUFFS and this chugging noise comes from the stack and the whole truck shutters...

When u step into it it goes away.. and same with letting off..

Im sure it has somthing to do with the injector pump..

Other than that its got good power good oil pressure ect ect..

does this sound like a IP problem? ive tried ajusting the fuel both ways and it didnt make a difference.
 
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rivired

New member
226
2
0
Location
federal way washington
ya all the filters all clean and its fresh fuel in the tank. straight diesel..and the FDC is bypassed.

And to better describe for people...

lets say your driving down the road....40mph...in 5th gear..and ur using JUST ENOUGH throttle to maintain your speed...THATS when the motor chugs and shutters the truck..seems like its running on 2 cyls...then if u get on it ..it clears up instantly and pulls good..
 

jwaller

Active member
3,724
19
38
Location
Columbia, SC
I would suspect a bad clutch. possibly the springs in the clutch have gone south. if your sure it's motor then you need to start looking at fuel pressures all over the system.
 

rivired

New member
226
2
0
Location
federal way washington
i dont think its the clutch..it hooks up good not to far off the floor. and that wouldnt explain the chuffing coming from the stack.

big mike..thanks for the support..ill keep it in mind..im just getting my bed put on during the next couple days so its gonna have to wait for a bit..and i dont know if i get weekend off next weekend.
Ill keep ya in mind tho :) i appriciate it.
 

littlebob

New member
1,548
26
0
Location
Baton Rouge LA
In Tank pump? Just to put it out there, I still have to get mine finished to know about the problems that will come up once I get it on the road
 
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