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| 01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect |
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07-22-2008, 10:03 AM
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eBay Motors
#11 (permalink)
| | DuramaxForum Veteran
Join Date: Jun 2007 Location: Flinton PA
Posts: 1,206
| I would check all fluids, change filters, and if that doesn't work, contact dealer like someone else said. I do know though, when I'm in tow haul mode, my truck shifts hard.
__________________
RIDE: 07 Silverado Classic Crew Cab
ENGINE: Duramax/6 Speed Allision LBZ 6.6
LIFT: Ready Lift Leveling Kit
STARTER: VIPER 2 Way w/ Turbo Timer
ADD ONS: H1 Halo Projector headlights, Back up Camera, Dee Zee running boards, Chrome Billet Grill, ExTang Solid Fold Tonneau Cover, Line of Fire w/reverse, custom bug shield/vent shades, TomTom GPS System
TIRES/WHEELS: 265/75-16 Grabber AT2 Tires on 16x8 ATX series Teflon Coated Wheels
PIPE: Banks Monster Dual Exhaust
CAI: Banks Ram Air
PROGRAMMER: Banks 6 Gun PDA w/Speed Loader | 
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07-22-2008, 11:22 AM
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eBay Motors
#12 (permalink)
| | DuramaxForum Veteran
Join Date: Apr 2008 Location: Lincoln, NE
Posts: 673
| What about the FRPV? If its not working correctly and the fuel pressure is up and down at idle that could cause a surge. Pretty sure I've read about other people having the same surging issue, and that being the culprit. Not cheap though IIRC. | |
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07-22-2008, 11:47 AM
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eBay Motors
#13 (permalink)
| | Catch Me If You Can!
Join Date: Oct 2007 Location: Greenville, KY
Posts: 3,190
| The fprv wouldn't cause that, but the Fuel Pressure Regualter could.
__________________ KYLE 
05 Chevy LLY Crew Cab LT Dually 4x4, Crank it up Diesel Tie rod sleeves and centerlink, BD Diesel Remote Fuel Filter, EGR Blocked, TTS Dual Lift Pumps, FPRV Shim, Bullydog Outlook Monitor, AFE Stage 2 CAI and modded turbo mouthpiece, BD Diesel Manifold, Diamond Eye Turbo Direct Pipe, Diamond Eye 5" exhaust straight piped, Level Kit, Suncoast Stage IV w/ 1056 Torque Converter and Allison Deep pan EFI Live Tuned by IdahoRob!!!!
1981 VW Rabbit Pickup, 1.6L Diesel, 4 Speed Manual, 35 MPGs | |
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07-22-2008, 12:12 PM
|
eBay Motors
#14 (permalink)
| | DuramaxForum Veteran
Join Date: Apr 2008 Location: Lincoln, NE
Posts: 673
| ^^^ Thats what I was thinking of... my bad. | |
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