hardly any boost. ran perfect 2 hours previous - Diesel Forum - TheDieselStop.com
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99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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Old 07-03-2009, 01:14 PM   #1 (permalink)
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hardly any boost. ran perfect 2 hours previous

i drove into town which is about 15 miles round trip country roads. i installed a ts 6 postion a week ago and i was making about 20-25 lbs boost full throttle.(i have boost and pyro guages) i got home and parked and 2 hours later left to go see a movie and noticed it didn't have much acceleration so i checked guages and found i only had about 5 lbs at full throttle. does anyone know what i could check or have any ideas of what could cause this?
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Old 07-03-2009, 02:34 PM   #2 (permalink)
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I'd check for blown/split boots ..
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Old 07-03-2009, 04:08 PM   #3 (permalink)
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Could be bad turbo too. Mine ran fine when I parked it, 0psi boost the next morning when I started it up to go to work. Getting any white smoke? Any oil in the exhaust? If oil in the exhaust it may not make it all the way to the tail pipe if u have a muffler.
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Old 07-03-2009, 07:01 PM   #4 (permalink)
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Have you checked your chip on other settings or back in stock? I would venture to say it is electrical vs mechanical but anything can happen. Make sure your chip is fully seated on the circuit board too.
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