throws out a lot of white smoke and wastes a lot of gas

2008 CHEVROLET AVALANCHE
80,000 MILES • 5.3L • V8 • 4WD • AUTOMATIC
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JOSE_U1201
  • MEMBER
  • 1 POST
my truck throws out a lot of white smoke from the exhaust and it wastes a lot more gas than normal
Aug 17, 2014 at 8:56 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
have coolant system pressure checked and scan for codes.
Aug 17, 2014 at 10:09 AM
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