Part throttle buck/jerk

slc6oh

New member
Joined
Jul 16, 2015
Messages
623
Reaction score
0
Location
Utah
Part throttle 5th or 6th locked up,40-50mph just maintaining speed, up slight incline I’m getting a weird buck/misfire feeling jerk ... monitoring converter slip, rail pressure (actual/desired), boost pressure, exhaust mani pressure, vane position, everything was looking like it was acting like it should. Nothing jumping around. Pulls like a freight train and all seems normal except for that very light throttle.

No codes

Tuned via ez link. Jenni Craig exhaust, egr flow mod. It’s a 2015


Any ideas?


Sent from my iPhone using Tapatalk
 

slc6oh

New member
Joined
Jul 16, 2015
Messages
623
Reaction score
0
Location
Utah
comin home today on level 1 , (40hp) it was worse, I started to feel it cutting out so give it more throttle to just see what it does, while watching the gauges. id get to like 2000rpm it would kill itself down to 1000 then right back to 2000 . so that's a pretty good jerk... only does once all the way warm.
 

Johndeer

New member
Joined
Jan 27, 2018
Messages
18
Reaction score
0
Location
Arkansas
Mine gaged on me once around 50 to 60 mph and bogged worse when accelerated more, poured some arch oil in it with oil change and it stoped immediately, injector stiction was my problem.
 
Last edited:

sootie

Well-known member
Joined
Oct 3, 2012
Messages
11,854
Reaction score
29
Mine gaged on me once around 50 to 60 mph and bogged worse when accelerated more, poured some arch oil in it with oil change and it stoped immediately, injector stiction was my problem.

ummmmm maybe keep your advice in the correct section. Your truck is heui injection not common rail.
 

slc6oh

New member
Joined
Jul 16, 2015
Messages
623
Reaction score
0
Location
Utah
Noticed my intake throttle valve connector wasn’t plugged all the way in... pushed it on so it was locked in place. Hasn’t acted up sense... might’ve just been a coincidence, since it’s tune I thought that I TV was turned off, but who knows, hopefully that’s all it was.


Sent from my iPhone using Tapatalk
 

Latest posts

Members online

Top