Question about PPE 2007 2008 CHEVY 6.6L DURAMAX DIESEL HOT XCELERATOR

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Duramax diesel 2007 black smoke and power loss at 2000 rpm

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No power black smoke 2001 6.6 duramax


There are many reasons for black smoke. This color indicates incomplete combustion of the diesel fuel. Possible injector or injector timing problem would be the first thing to look at. Other causes can be a defective turbo... air restriction... engine running too cold... internal issues to name a few

Jan 04, 2016 | Cars & Trucks

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2007 duramax lbz missing bad smokes black when aselerate chek fuel filter is half way full


no fuel filter should be full, replace fuel and air filter then try it again

Oct 31, 2015 | Cars & Trucks

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Why is my Kia sorento starting to blow out black smoke.? I have had no loss of power


Black smoke means you have too much diesel in the mix that is being ignited. This can be because either too little air is getting in or too much fuel is going in. First step (easy and cheap) is replace the air filter. If there's still smoke check the erg valve is clean and moves easy. If it's still there after that then check the common rail injectors for leakage.

Sep 09, 2014 | 2007 Kia Sorento 2.5

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2007 Silverado, 6.6 Duramax w/Allison Transmission. Computer says "Low Rail Pressure". The truck seems to have no power in "Tow" mode. If I shut the truck off for about 45 minutes and restart it's OK for...


There is a service bulletin for this condition.It has to do with a ceramic high pressure valve ball fracture inside the fuel injection pump,which may lead to internal pump damage resulting in low fuel rail pressure.This could contaminate the fuel rails and injectors with debris.The fuel pump will operate but with reduced output flow.The fuel injection pump will have to be replaced or repaired.Look and see if there are any repair shops that specialize in injection pumps.Hope this helps.Good luck.

Apr 06, 2010 | 2007 Chevrolet Silverado 3500HD New Cars

1 Answer

Excessive black exhaust on 2003 GMC Sierra Duramax Diesel.


This is what i would try (cheapest first) redexe/wyyns
injector cleaner,double dose,then i have put 1gal gas in 10gal diesel to increase burn temp (you may encounter a hot start problem temporarilly)then if still smoking, get a compresion check on the engine(this will tell you volumes)
by the way the NATO tanks put in 1/3 gas in diesel to stop it freezing in arctic conditions.any more than 1/3 can result in problems.

Mar 17, 2010 | 2003 GMC Sierra

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Black smoke coming out of exhaust loss of power


is it diesel maybe too rich or injector pump,if its petrol could be oxygen sensor or air flow meter

Sep 23, 2009 | 2007 Volkswagen Jetta 2.5 Sedan

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2002 2500hd 6.6 duramax diesel is blowing smoke and has loss of power. Is this the injectors or piston rings?


Bulletin No.: 03-06-02-005B
Date: November 18, 2004
TECHNICAL
Subject:
Engine Coolant Loss with No Visible Leaks (Reseal Injector Sleeve)

Some owners may comment on engine coolant loss with no visible leaks. Excessive white smoke or a coolant type odor coming from the exhaust pipe, along with low coolant levels, may indicate coolant in the combustion chamber.
Cause
Condition may be caused by engine coolant entering the cylinder due to a dirty or damaged seal between the fuel injector sleeve and the cylinder head.

If it's black smoke, you could have a faulty or dirty EGR valve and may not be closing 100%. Remove the EGR valve and clean it with spraying carb cleaner and reinstall after inspecting the valve can move without any binding. Goo luck and hope this helps.

Jun 25, 2009 | 2001 Chevrolet Silverado 2500HD

1 Answer

Power Loss


My guess is injectors. The early duramax's had a lot of injector problems. They sometimes get to where they bleed constantly, and sometimes they break off... bad stuff. Check your oil for diesel. When my dads injectors when out on his 01 D'Max, his truck would run ok for a while, then lose power. Computer will cut power when it picks up an injector problem. BTW, Sightseer, diesels dont have spark plugs, however, the diesel filter is a good idea, you have to change them pretty regularly on the D'Max engines ( in order to try and prolong the injectors lives, mainly, the smallest bit of junk in your fuel can screw those early injectors up quick) I think they got the injectors mostly straightened out in the 04 models, what I've heard is thats the best model Duramax there has been, fuel economy, power, and reliability. Too bad all the year models arent that way :/

Jan 09, 2009 | 2001 Chevrolet Silverado 2500HD

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