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2005 Chevy Silverado my duramax is missing and blowin black

Tiny
HALF TRACK
  • MEMBER
  • 2005 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 120,000 MILES
I hada return line get broke replaced it and now it wont staighten up could I of done something wrong it seems its only runnin on 7 im clue less with this and will and does smoke worse than a chimny I changed the fuel fuelter ran injecter cleaner thrue cleaned the air filter and it just not improving what would be best to do
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Thursday, March 25th, 2010 AT 1:46 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Defective fuel pressure regulator, leaking injectors, excessive fuel pressure due to restriction fuel return line and coolant temperature sensor stuck in open loop mode and oxygen sensors
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Thursday, March 25th, 2010 AT 3:05 AM

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