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Old Apr 13, 2010 | 02:01 PM
  #1  
bassmanjeff's Avatar
bassmanjeff
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Would like to know

I have a 2002 f350 crewcab 7.3 automatic
complete 4" exhaust and AEM intake
Bullydog triple gt turner(some times)
First-is it normal to get a deep sucking sound when you let off the throttle.
2nd- was on a long road trip and tranny went out had new one installed with upgrades like extra zeepack cultchs -shift kit -harden spur gears and triple t-convert pulles great know.But while on trip it started dumping fuel and boost at around 45 50 mph no power and smoke rolled out exhaust and got some turbo barking threw code 1211 1247 .If you backed off and eased back into it it would grain power and run great.Got it home and replace IRP and clear codes also cleaned tube at front right exhaust manifold no codes showed back up but rolls out the smoke (not has bad)at 45 50 .Did notic if i left it in drive and took it up past 50 and then turn on overdrive worked better. Turner is off now due to it started turning on and off by itself
 
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Old Apr 13, 2010 | 02:41 PM
  #2  
Justin03PSD's Avatar
Justin03PSD
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Joined: Mar 2001
Posts: 497
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From: KC MO
1. Yes, the Darth Vader noises are normal.

2. Sounds like you need a new tuner. Look at DP, PHP, or Tony Wildman.
 
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