Interesting problem

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Tim Holtz

Junior Member
Joined
Aug 7, 2018
Posts
1
Reaction score
0
Location
Quebec Canada
Ram Year
2009
Engine
5.7
I have a 2009 ram 1500 regular cab 8 foot box, 5.7 engine code T automatic 4060554 kilometres
my problem is , when i get into the truck in the morning it starts and ideas fine, I drive for about 5 minutes at different speeds and the truck starts to buck, when i apply throttle it dies, I pull over turn the truck off wait about 2 or 3 minutes, re start and it is fine, till i shut it off and leave it for about a hour then it starts all over again. I have noticed though the engine does nock on some acceleration at times, throttle isn't as responsive as it use to be. I had a code 1414 and a misfire on cylinder #4. I have replaced the timing chain, checked cylinder pressures ( 190 to 210 )replace 4 coils, all 4 MDS solenoids replaced spark plugs, engine nock sensors,cam positions sensor, as well as all new gaskets and new exhaust manifold bolts.checked and cleaned as well as put dielectric great on all sensor connectors, and yet this problem continues, any ideas?
 

HammerHead

USMC 0313
Joined
Feb 18, 2015
Posts
2,284
Reaction score
2,834
Location
Georgia/Florida
Ram Year
2019 4Runner
Engine
4.0
When I think about bucking I immediately go to the Torque Converter or transmission. I have read in some cases of to much Dielectric grease being used.
 

BuggyMasters

Member
Joined
Dec 30, 2015
Posts
88
Reaction score
32
Location
North Carolina
Ram Year
2018
Engine
6.4
That’s going to be a bum sensor of some kind. You need a data logger and drive it while logging.
 
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