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Discussion Starter #1
Got a 03 6.0 having low boost issue with high EGT's boost :mad: never comes up untill around 45MPh at 55mph showing around 1000* on the egts any ideas what could be wrong we just put head gaskets in drives and runs fine just low on power with high egts.
 

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Haters Gonna Hate
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5,869 Posts
how high does your boost get? any smoke? have you ever cleaned the turbo? oversize injectors? did it start doing this immediately after engine work or shortly there after?
 

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Discussion Starter #4
yea a P0046 i think tc/sc boost silinode? The VGT is not working. we unpluged the wire to the vgt control and truck does the very same thing. we are changing the actuator on the turbo now with the one out the old turbo if that dont chang anything im going to take it back apart and clean the turbo. its a 07 turbo we just had to change it. it worked fine when we drove it sunday just befor we pulled the cab off. my had some antifreeze in the exhaust maybe with the turbo sitting on the table for 2 days i rusted a little idk just wishful thinking
 
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