My check engine light just came one with the.

Tiny
ANONYMOUS
  • 2003 FORD FOCUS
  • 148,000 MILES

My check engine light just came one with the code "p2274 o2 bank 1 snensor 3 signal stuck lean". What could be causing this and is there a simple way to test what the exact cause is?

Thursday, November 1st, 2012 AT 2:07 PM

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