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02-11-2008, 12:42 AM
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#1 (permalink) |
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Diesel Head
Join Date: Mar 2006
Location: Manhattan Beach, CA
Posts: 42
iTrader Score: 0 reviews
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White Smoke, Low Oil Pressure between 0 and 30, Turbo not wanting to kick in
I was up in Mammoth this weekend and made the mistake of getting on the throttle while the engine was still cold. I guess you could say i was stomping on the throttle pretty hard. After blowing a black cloud for about 50 yards i backed off. I then noticed that my idle was rougher than anything i have ever felt before. The truck has been blowing out white smoke from the exhaust since. Today did the five hour drive home after tuning back to a stock tune. the white smoke from the tailpipe has not gone away. My oil pressure stayed at about 30 until the last half hour of my drive where it started dropping all the way down to 0 when coming to a stop. Also it felt like the turbo would not really kick in when i floored the truck. the turbo will spool and i can get it to hold boost at about 20 psi ........
What could be the problem???? Please help? D-
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 '06 GMC 2500HD CC SBBlew up my first LBZ at 36k miles on a PPE Level 6 tune, put a brand new crate LBZ from GMC back in, now run level 3 tune only. 6" CST Dual Bilstein 7100's Front Single 7100's Rear 35" Toyo Mud Open Country Deaver Leaf Springs McRat Racing PPE Excellerator Hot + 2 on level 3 PPE Fuel Valve, EGR Blocker Plate Removed, Shim kit PPE Boost Control Disabled,FASS System, Suncoast Stage IV built by Mike L Inglewood Trans, 1057 converter Bassani Exhaust Turbo Back w/ Kitty Re-installed Viair Onboard Compressor, Pioneer Avic Z-1 |
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02-11-2008, 01:17 AM
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#2 (permalink) |
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Diesel Specialist
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Not good, it does sound.
Suggestions, I have not.
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2007 2500HD Silverado Classic CC-SB, LBZ Duramax/Allison, Silver Birch, 5" MBRP Cat Back w/4" cat delete pipe, Banks IQ w/Six Gun & Speed Loader  2012 Corvette Z06 - Bone Stock 1962 GM Electromotive V-20, 7800 Cubic inch, 5000 horsepower bitch.  Member # 26 of NC DMAX'S Access it.....................HERE |
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02-11-2008, 06:44 AM
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#3 (permalink) |
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Diesel Technician
Join Date: Dec 2007
Location: Marshall, MI
Posts: 419
iTrader Score: 0 reviews
Michigan Oil Burners Member |
Head gasket?
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2006 LLY crew cab EFILive Thanks Nick at Duramaxtuner.com Also thanks to Floriduramax for all the help Flowmaster exhaust turbo back Ram air hood 20" XD's IAFF local 1929 Let's Roll!! |
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02-11-2008, 07:23 AM
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#4 (permalink) |
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Diesel Specialist
Join Date: Sep 2007
Location: Wesley Chapel, FL
Posts: 759
iTrader Score: 0 reviews
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X2 sounds like head gaskets, check your coolant level and oil.
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2007.5 GMC LMM SLE2 package, cc/sb, black-on-black, 265-70-17's, Bose, G80, Westin step bars, bedliner, Weather Techs and A.R.E. Xtreme cab-high cap, Transgo jr, D.E with quiet tone, DSP5, blocked & rerouted. Tuned by the Fermanator. A special ordered truck for me!  Special thanks to the Fermanator for his expertise and www.alligatorperformance.com for the blocker plate. http://performancetruckproducts.com/ |
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02-11-2008, 08:08 AM
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#5 (permalink) |
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Diesel Master
Join Date: Feb 2004
Location: Tomah,WI
Posts: 1,018
iTrader Score: 0 reviews
Minnesota/Western Wisconsin DP Club Member |
The oil pressure is what would scare me.Hope you didnt spin a bearing.Would definitely park it till you figure out the oil pressure issue.
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2007 Classic GMC D/A Ext. cab,s.b.,built 11-2006,Di*Priol boost and pyro gauges,Garmin GPS,MBRP catback exhaust,kitty taking a nap,300* hose permanent fix tranny cooling lines,M/A pump rub kit,Prodigy bc,Reese 16,000 lb. slider 4-way tilt hitch.Luverne SS side steps,Truxedo bed cover,Michelin LTX M/S 2 tires and Bilstein shocks. http://www.dcows.com/images/s_duramax.jpghttp://api.viglink.com/api/click?for...13599037311704 |
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02-11-2008, 09:12 AM
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#6 (permalink) |
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Diesel Technician
Join Date: Dec 2007
Location: Marshall, MI
Posts: 419
iTrader Score: 0 reviews
Michigan Oil Burners Member |
A very expensive lesson
__________________
2006 LLY crew cab EFILive Thanks Nick at Duramaxtuner.com Also thanks to Floriduramax for all the help Flowmaster exhaust turbo back Ram air hood 20" XD's IAFF local 1929 Let's Roll!! |
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02-11-2008, 09:50 AM
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#7 (permalink) |
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Diesel Master
Join Date: Jun 2006
Location: NW NJ
Posts: 1,309
iTrader Score: 0 reviews
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0 oil pressure is very ugly usually. 30 is also too low if you were going highway speeds. Should have been about 40. Zero oil pressure would have that engine knocking away like something silly and I have seen oil pressure switches just go. I'm hoping for you that you have something electrical wrong.
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'06 LBZ Silverado 2500HD, CC/SB, LT2 Stone Stock and I'm leaving it that way. Tired of spending money!!!!! plus I have an extended warranty |
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02-11-2008, 11:02 AM
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#8 (permalink) |
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Diesel Specialist
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I thought about the headgasket, certainly sounds like it, but he gave no other symptoms such as coolant loss. Seems as if that would be apparent even after a short time?
__________________
2007 2500HD Silverado Classic CC-SB, LBZ Duramax/Allison, Silver Birch, 5" MBRP Cat Back w/4" cat delete pipe, Banks IQ w/Six Gun & Speed Loader 2012 Corvette Z06 - Bone Stock 1962 GM Electromotive V-20, 7800 Cubic inch, 5000 horsepower bitch. Member # 26 of NC DMAX'S Access it.....................HERE |
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02-11-2008, 12:27 PM
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#9 (permalink) |
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Diesel Master
Join Date: Jan 2006
Location: Mooresville, IN
Posts: 1,514
iTrader Score: 0 reviews
Illinois Diesel Power (IDP) Member |
Could be head gasket, but it doesn't really explain the low oil pressure. I guess it MAY be possible for enough coolant to mix in with the oil and thin it out...but you'd think there'd be more than 0psi at a light!!! Does the idiot light come on when it's idling too? Any signs of milkshake on the dipstick, or oil in the coolant tank??
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~Tom. My new pollution machine: 2003 CCSB LT Victory Red, 238k, 275/60/20 Cooper Zeon's, Edge box, Denali dash bezel, and still ironing out the rest of the details. Sold!  07.5 CC/SB Z71 Victory Red/Ebony Leather, sunroof, NAV, lockpick...blah blah blah. Delivered 8/28/2007. 41000 miles and counting... Mobil 1 Syn front, rear, and in the "rattler." Wade bed caps, STK Line-A-Bed Liner, Cabelas TrailGear II Floor liners (WeatherTech), Lund Tri-Fold tonneau cover, 8000k HID's (low only). |
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02-11-2008, 01:41 PM
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#10 (permalink) |
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Diesel Specialist
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More info, yes we need.
__________________
2007 2500HD Silverado Classic CC-SB, LBZ Duramax/Allison, Silver Birch, 5" MBRP Cat Back w/4" cat delete pipe, Banks IQ w/Six Gun & Speed Loader 2012 Corvette Z06 - Bone Stock 1962 GM Electromotive V-20, 7800 Cubic inch, 5000 horsepower bitch. Member # 26 of NC DMAX'S Access it.....................HERE |
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