turbo prob?? - Ford Powerstroke Diesel Forum
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post #1 of 8 Old 12-28-2007, 02:20 PM Thread Starter
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turbo prob??

I have a problem with my truck, when i step on the gas the rpm's go up but no turbo pressure on the gage and makes a deep hollow sound then it kicks in normal. I have a 04 with a superchips programer, no cat, aeroturbine exahust 3.5, any ideas what is happening? thanks

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post #2 of 8 Old 12-28-2007, 02:43 PM
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could be something as simple as the map sens hose. Can you hear the turbo spooling up even though your not reciving the power?
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post #3 of 8 Old 12-28-2007, 02:56 PM
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thats weird is it making power???

-Josh

2008 2500 LMM- Deleted, Blocked, Fueled, & Tuned by:
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post #4 of 8 Old 12-28-2007, 06:21 PM Thread Starter
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no power for few seconds then it kicks in, then step on it again and same thing, does not always do it but a lot to make me think something is not right

zoodad
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post #5 of 8 Old 12-28-2007, 07:00 PM
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What year is truck? These turbo's (some) have a variable pitch on rotor blades. They are suposed to flex per RPM is what I understand. It may be coked up with "SOOT".
Wish ya luck!!

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post #6 of 8 Old 12-29-2007, 11:33 AM Thread Starter
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truck is 04

zoodad
aeroturbine exhaust
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post #7 of 8 Old 12-29-2007, 11:47 AM
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You my friend are experiencing the variable turbo's biggest downfall: inconsistent boost operation, usually due to sticky vanes and gummed up actuators. Best bet is to unhook the actuator from turbo clean it of diesel soot, residues, and debris, then re-install it. See if that shakes the turbo down and allows for it to boost properly. If not try running your truck un-tuned in stock calibration to see if the programming may be out of date,sync with your trucks original OEm calibration, or check for updates and download them from Superchips website. If none of this works, plan B would be to un-install the turbo and take it down and clean the vanes themselves of contamination. Actually the best way to clean them is to run the trucks EGT's past 1200 degress for short durations for as many times as you can throughout the day, this should act as a cleaner by burning off the residues inside the turbo. People who runn hooter tunes tend to have less problems with their turbo's when it comes to vanes sticking.

Hope this helps and god belss you fro owning a Powerstroke!!!

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post #8 of 8 Old 12-29-2007, 12:12 PM
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Mine done similar thing at 14,000 miles, took to the dealer and they replaced the turbo.

1968 Chevy Impala Custom Coupe ZZ4 350 700R4 trans 3.55 Posi

2003 F250 XLT 2wd. R/C LWB 7.3 Auto Volant Air Intake 4" Turbo Back Exhaust

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