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Discussion Starter · #1 ·
First thing in the morning the truck runs great. Outside temp around 28-30 degrees. Starts great. After I let it warm up for about 15 mins and start driving, the truck runs like a bat out of hell. After an hour or so I notice the throttle response is slow/sluggish. Once the turbo kicks in around 1500 rpm it pulls hard. Any ideas on the sluggish throttle ? I just changed the oil rotella 15-40 and hot shot secret. Also I installed new glow plugs and valve cover harness's. This problem still occurred before the oil change.


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