Is my boost to low? - Ford Powerstroke Diesel Forum
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Old 11-21-2012, 06:20 PM
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Is my boost to low?

I noticed that i cant get my boost above 14 psi. Do not have any codes and does not smoke one bit. Seems to have lots of power and the usual turbo lag off the line. I hear the vgt doing the sweep from 15% to 85% when it idles. I get 13-14 mpg in the city and 18-21 on the highway most of the time, all hand calculated. How would i know if my turbo needs cleaned? If the truck is doing the vgt sweep that means it should be ok right?
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Old 11-21-2012, 06:23 PM
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14 is pretty low for a tuned 6.0
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Old 11-21-2012, 06:26 PM
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I dont have any tunes....yet. FICM first the SCT tunes will be coming.
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Old 11-21-2012, 06:33 PM
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Even low for stock tuning. I see 22 easy on stock tuning
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Old 11-21-2012, 07:52 PM
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My insight will show 24 when getting onto the freeway. I'm all stock.
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Old 11-22-2012, 05:10 AM
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Could i have s bad sensor or cracked tube that reads the boost?
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Old 11-22-2012, 05:53 AM
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I would try installing an analog boost gauge that reads from the intake elbow. Way more accurate.
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Old 11-22-2012, 08:16 AM
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i see 21psi WOT when dogging it a little, and ive seen as high as a 24psi spike while towing. running a SCT canned 65hp tow tune.
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Old 11-22-2012, 08:42 AM
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With my early lock tune I hit 36 and hold 34
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Old 11-22-2012, 10:42 AM
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low to mid 20s is perfectly normal when stock, that's what I would prefer to see with stock headbolts.
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