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1995 Ford Powerstroke - Loses Power then regains

 
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Old 05-14-2011, 12:18 AM
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1995 Ford Powerstroke - Loses Power then regains

Hi guys, new to the forum, looks like a great place for information, and thanks in advance! Anyways, have a 1995 Ford F350 Powerstroke that I just bought with 142k miles. Anyways, runs great down the freeway at 70MPH, but when pulling a grade, about 15 seconds into the grade, it will suddenly lose power like I am letting off the gas... it goes down to about 55 mph typically, and then regains power, and I once again speed up.... on longer grades, will do it multiple times.

I contacted my diesel mechanic, and he said to pull open the butterfly on the turbo and tie it off, as I was getting a low pressure turbo code, (code P0237) according to my Superchips. Well, I pulled the downpipe off, and it appears the butterfly is staying open, regardless of the RPMS. Anyways, any ideas out there? Just for more info about the truck, it has the Banks Power Pack Installed with intercooler, Trans Commander, etc. No chips are currently installed. Any information would be awesome! Thank you again!
 
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Old 05-14-2011, 02:42 AM
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Also, I pulled a P0221 code as well, which is a Throttle Pos. Sens/Switch B Circ Range/Perf .... I have no idea if this is related to my initial problem... please help! Thanks a million!
 
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Old 05-14-2011, 04:09 AM
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1994.5 - 1997 7.3L Power Stroke Diesel - Ford Truck Enthusiasts Forums Here is a link to the PSD page, probably better to post your problem there for specialist advice.
Also have a look at the Stickies at the top of that page.
Good luck.
 
 
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