Fuel

2005 BUICK LESABRE
73,000 MILES
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BADGERCOACH57
  • MEMBER
  • 1 POST
Lean burn.
Nov 28, 2017 at 1:28 PM
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MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
Start with checking for vacuum leaks at the manifold and also check fuel flow and pressure. O2 sensors will default to rich if not working, but it would not hurt to get a voltage reading to make sure if all is good there.
Nov 28, 2017 at 2:13 PM
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