I HAVE THE CODE P0171 AND HAVE CHANGED THE MAS

  • Tiny
  • Anonymous
  • 2007 Toyota Corolla
  • 51,230 miles

I have the code P0171 and have changed the MAS. After a week running the car the check engine light came on again. The car runs fine with no side effects. I also checked the gaskets and have found no leak. I dont know what my next step should be. I dont want to spend a lot of $$ taking it into a shop since they were the one to tell me to change the MAS.

Should I change the O2 sensor next? Dont know what to do.

Thanks for the help

Tuesday, November 27th, 2012 AT 3:38 PM

1 Answer

  • Tiny
  • KHLow2008
  • Expert
  • 41,976 posts

Is the code same as previous?

A TSB was issued on this. Contact your dealer for more information. An extended warranty of 96 months or 80,000 miles applies and your vehicle should still be eligible for it.

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Tuesday, November 27th, 2012 AT 3:59 PM

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