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2004 Chevy Truck exhaust smoke

Tiny
JUNIOR5709
  • MEMBER
  • 2004 CHEVROLET TRUCK
  • V8
  • 4WD
  • AUTOMATIC
  • 144,000 MILES
I have been having a problem with my 6.6L diesel chevy truck putting out a large amount of white smoke at idle, in reverse, and during heavy excelleration. First I tried changing the oil and still the same. Then I thought maybe one or more of the injectors are bad. I was just wondering if there was anything else I could try before I start replacing injectors which can get very expensive.
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Saturday, September 12th, 2009 AT 8:55 PM

1 Reply

Tiny
BRIAN 1
  • MECHANIC
  • 1,030 POSTS
I would check the water in fuel sensor and fuel sys for large amounts of water, if you find water in the fuel sys I would clean the fuel sys and checnge the fuel filter. If that doesnt help then I would scan for any dtc's and check the injector balance rates. If all is good then you will probably be replacing injectors. Post back with what you find.
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Saturday, September 12th, 2009 AT 9:24 PM

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