2009 Laramie 4th gen engine dies randomly.

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Hardcoretexan

Junior Member
Joined
Jun 17, 2015
Posts
11
Reaction score
2
Ram Year
2009
Engine
5.7
Recently my truck has started dying, at first it would occur if I hit the brakes hard(didn't think much about it), now it has started dying more frequently and without any notice(still random). It always starts back up and runs(except once, I had to restart twice) and goes on. Its almost like the power or fuel gets shut off and its not like its when I hit a pot hole or anything, it has me stumped.
Plugs were changed at 100k, everything is pretty much stock, no mods or add-ons either.
Any help would be appreciated.
 

Fast69Mopar

Senior Member
Joined
May 10, 2019
Posts
1,997
Reaction score
1,706
Location
Texas
Ram Year
2004
Engine
5.7 HEMI
Recently my truck has started dying, at first it would occur if I hit the brakes hard(didn't think much about it), now it has started dying more frequently and without any notice(still random). It always starts back up and runs(except once, I had to restart twice) and goes on. Its almost like the power or fuel gets shut off and its not like its when I hit a pot hole or anything, it has me stumped.
Plugs were changed at 100k, everything is pretty much stock, no mods or add-ons either.
Any help would be appreciated.
Its time to get a scan tool hooked up to this truck. Perform a wiggle test first on all relative sensors like the crank position sensor, cam position sensor, map sensor, etc. With a scan tool we can see if any sensors are losing their signal while driving. We can also take a look at the adaptive memory to see what is going on with the fuel control. Your basic scan tool from O'Reilly or Auto Zone wont do it. Gonna need a good scan tool like the WiTech or something like a Snap-On Solus Pro or a Verus.
 

Jtblackram

Senior Member
Joined
Dec 27, 2018
Posts
176
Reaction score
190
Location
Long Island
Ram Year
2018
Engine
5.7 Hemi
Recently my truck has started dying, at first it would occur if I hit the brakes hard(didn't think much about it), now it has started dying more frequently and without any notice(still random). It always starts back up and runs(except once, I had to restart twice) and goes on. Its almost like the power or fuel gets shut off and its not like its when I hit a pot hole or anything, it has me stumped.
Plugs were changed at 100k, everything is pretty much stock, no mods or add-ons either.
Any help would be appreciated.
This might be silly, but how often do you change your oil? Ive seen a truck come into my old shop before, customer stated it was stalling out, we found out he hadnt changed his oil in 30 thousand miles.
 

jmd4100

Senior Member
Joined
Sep 11, 2019
Posts
160
Reaction score
100
Location
US
Ram Year
2007
Engine
5.7 Hemi
Recently my truck has started dying, at first it would occur if I hit the brakes hard(didn't think much about it), now it has started dying more frequently and without any notice(still random). It always starts back up and runs(except once, I had to restart twice) and goes on. Its almost like the power or fuel gets shut off and its not like its when I hit a pot hole or anything, it has me stumped.
Plugs were changed at 100k, everything is pretty much stock, no mods or add-ons either.
Any help would be appreciated.
Does this happen all the time or only after a fill up on fuel? I've seen a lot of trucks with evap issues stall out after a fill up from basically liquid fuel going where only vapors are supposed to be. I'd get a scan tool out and run a test. If it occurs frequently enough that you know it's going to do it, keep the tool on and run tests while driving till it stalls

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