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hello i have a 6.5 turbo chevy and when i drive it for a while and the motor warms up it seems like my turbo goes in and out and i loose power. it only does this when the motor gets warm. could it be the waste gate? anybody have any suggestions?
 

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hmmmm good question. On our military hummvees with the 6.5 when they warm up and get warm we encounter the same thing.vome to find out it was bad injector pumps in our situation. It may not be the same problem for you though. Hopefully someone with more experience on th 6.5 can help you out! Good Luck!
 

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Hi I worked on the Hummwvv and all their variants. First thing I would do is check the turbo and see if there is any play in the turbine. The next is have the internal waste gate checked. What year is your rig? Are you seeing any smoke, and what color is it?
 
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