FUEL SYSTEM RUNS LEAN

  • Tiny
  • Anonymous
  • 2009 Honda Civic
  • 62,000 miles

Fuel system runs lean. What is cause

Monday, December 17th, 2012 AT 9:50 PM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,305 posts

It could be several things. The most common problem is a vacuum leak which allows unmetered into the engine.

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Tuesday, December 18th, 2012 AT 2:05 AM

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