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Dec 19, 2015 | 11:57 AM

#16

Jforce05

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Could be true but still doesn't explain why i have a turbo hiss at idle on cold start then cuts out after 45 seconds

Dec 19, 2015 | 12:05 PM

#17

Maxium4x4

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The VGT cycles, now about your intake filter, you have a few codes.

Dec 19, 2015 | 12:07 PM

#18

Jforce05

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K&n filter and elbow. Crap for these trucks i know. Was planning on replacing the filter with an s&b drop in and keeping the elbow

Dec 19, 2015 | 12:18 PM

#19

Maxium4x4

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The 6.0L is fly by wire, you need to address the problem because the engine is not seeing the proper intake readings.

Dec 19, 2015 | 01:30 PM

#20

Jforce05

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So are you thinking the restriction at the air filter is the cause for the turbo hiss dropping at idle and the consistent low ebp numbers?

Dec 19, 2015 | 02:08 PM

#21

Maxium4x4

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No you have codes for the MAF and IAT that need to be addressed because of the K&N filter, assuming. A stock filter is good up to 500HP and I use a stock filter with 426HP.

Dec 19, 2015 | 02:30 PM

#22

Jforce05

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Im guessing i am close to 500hp as is sits

Dec 19, 2015 | 10:32 PM

#23

Maxium4x4

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You would have to have extensive upgrades to hit 500 at the rear wheels and without a dyno run, it would be a guess. Correct the items one by one because everything the sensors see adjust the engine management.