Very low on power and no boost - Diesel Forum - TheDieselStop.com
'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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post #1 of 3 (permalink) Old 03-15-2019, 07:53 PM Thread Starter
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Very low on power and no boost

Hey guys I’m new to this so let me know if I’m doing anything wrong . I recently purchased a 2001 7.3 F250 with 240k. I bought a xct tuner and programmed it today to the street tune they had . Truck was running great no issues picked up on power from the stock tune. I was on my way home from work and I got on the throttle and I’m at about 2.7k rpm and I hear a popping noise and it drops boost and is super low on power . No black or white smoke no whining noise . When I got home I opened the hood and checked all the piping that was visible from the top and everything seemed fine . Any idea on what it could be ? Limp mode ? Other piping ?
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post #2 of 3 (permalink) Old 03-15-2019, 09:21 PM
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First step when diagnosing is to remove any tunes and return it to factory stock.


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2002 F-250 4x4 CC SB 7.3 PSD w/4R100. 182,000 miles.
NOS Black CPS. ScanGauge-II, AIC, Bilstein 5100, Stancor GPR, Marinco Mod, B&W Turnover Ball, Michelin Defender LTX


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2002 F-250 4x4 SC LB 7.3 PSD w/ZF-6. 177,000 miles.
NOS Black CPS. ScanGauge-II. Bilstein 5100. Noco Mod. Michelin Defender LTX 285/75/16.

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2000 F-250 4x4 SC SB 7.3 PSD w/4R100. 164,000 miles.
NOS Black CPS. Rebuilt Fuel bowl w/gold spring, 6.0 Cooler, Walker BTM, Stancor GPR, Michelin LTX M&S2.
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post #3 of 3 (permalink) Old 03-15-2019, 11:51 PM
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Sounds like a blown intercooler boot or spider connection to me
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  Diesel Forum - TheDieselStop.com > 1999-2007 Ford Super Duties > '99 & up 7.3L Power Stroke Engine and Drivetrain

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