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Discussion Starter · #1 ·
please help me befor i go to dealer 2004 dodge ram 3500 4X4 blows significant smoke at start up, and the whole truck shakes and shudders till it gets up to temp. also when it shifts into overdrive it goes down in rpm and up 2 or 3 hundred then back down. next one is when accelerating a/c gets warm and then cools off. 66K not abused or chipped. magnaflow 30" muffler
 

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Stick Injector Maybe?
 

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Check Fuel Filter
 

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Discussion Starter · #5 ·
will that cause the smoke or combination of all the other problems
 

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will that cause the smoke or combination of all the other problems
Sticking injectors will cause the smoke and the rough running. If it gets really bad stop the truck because it can cause major damage. You need to get something in there to lube those injectors. The cause of the sticking injectors is the Ultra-Low Sulphur Diesel.
 
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