No power.... any ideas? - Ford Powerstroke Diesel Forum
 
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post #1 of 4 Old 10-17-2010, 12:12 PM Thread Starter
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No power.... any ideas?

A friend of mine has a 94 CC DRW with the 7.3 and it seems like the turbo never kicks in at any RPM.... You never hear the turbo at all and it just runs like a TURD... If anyone is familiar with the 6.0 it acts the same as my truck with the VGT solenoid unplugged. I am not real familiar with the 7.3 and would like some insight on what could be wrong. He uses this truck solely to pull a race car and will not get above 60 unless going down a mountain.. It doesnt seem to build boost with or without the trailer. Any help would be appreciated.

'07 F250 CC SB
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post #2 of 4 Old 10-17-2010, 12:23 PM
shaking things up

 
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check the turbo for shaft play a clogged cat can cause a similar problem as well as broken or loose y pipe boots. also check the up pipes for leaks

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post #3 of 4 Old 10-17-2010, 07:11 PM Thread Starter
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Checked all of that and still... nothing

'07 F250 CC SB
4" Turbo back no cat/muff
S&B Intake
X3 ID Custom Tunes
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2" lift 18" Black KMC Monsters w/33" Nitto A/T
Auto-Meter Trans/Boost/Pyro
Zoodad/High Idle mod
HID Head lights and fog lights
AMP Steps
No chrome anywhere!
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post #4 of 4 Old 10-18-2010, 06:24 AM
Transmission or Injectors
 
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Check the tube running from the passenger exhaust manifold to the Exhaust Back Pressure sensor. If that tube is plugged, the PCM doesnt know how much exhaust pressure there is.


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