FUEL SYSTEM RUNS LEAN

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

Fuel system runs lean

Tuesday, December 18th, 2012 AT 5:55 AM

1 Answer

  • Tiny
  • DrCranknWrench
  • Expert
  • 3,458 posts

If the fuel system is running lean you might have a vacuum leak or a bad oxygen sensor.
The first thing to do is to pull the trouble codes to eliminate the oxygen sensor. Any Advance Auto or Auto Zone will do this for free.

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Tuesday, December 18th, 2012 AT 6:00 AM

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