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Where to begin

posted by  KlausC on  Sat Dec 14 10:54 CST 2013
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last visit: Fri Oct 24 10:15 CST 2014
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P0455 = large leak in EVAP system. Not mileage related. Either a loose gas cap, purge valve stuck, or a cracked J hose problem.

Your XC probably is still using the original front O2 sensor. They should be replaced around 120K miles or so and will dramatically improve the mpg. Also look around for leaking vacuum elbows as reduced vacuum will also decrease mpg.





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New Where to begin
posted by  stonybrook subscriber  on Sat Dec 14 06:59 CST 2013 >
  • New Where to begin
    posted by  KlausC subscriber  on Sat Dec 14 10:54 CST 2013 >
    • New Where to begin
      posted by  stonybrook subscriber  on Sat Dec 14 18:08 CST 2013 >
      • New Where to begin
        posted by  KlausC subscriber  on Sat Dec 14 19:10 CST 2013 >


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