GETTING CODES 172 O2 SENSOR LEAN BANK 1 173 O2 ...

  • Tiny
  • matthewhill
  • 1995 Lincoln Mark VIII
  • 117,000 miles

Getting codes 172 o2 sensor lean bank 1, 173 o2 sensor rich bank 1, 176 o2 sensor lean bank 2, 524 low speed fuel pump open circuit failure between battery and electronic control assembly any ideas on what the problem is

Thursday, February 28th, 2013 AT 11:33 PM

6 Answers

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Without seeing it, I would start with looking for vacuum leaks.

I would also get the fuel pressure checked.

Roy

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Friday, March 1st, 2013 AT 1:11 AM
  • Tiny
  • matthewhill
  • Member

Car misses really bad in the low rpm range but does alright in higher rpm's

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Friday, March 1st, 2013 AT 10:13 AM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Definitely sounds like a vacuum leak.

Roy

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Friday, March 1st, 2013 AT 10:31 AM
  • Tiny
  • matthewhill
  • Member

Ill check it out this weekend and let you know what I find

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Friday, March 1st, 2013 AT 11:59 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

We will be here

Roy

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Saturday, March 2nd, 2013 AT 2:43 AM
  • Tiny
  • matthewhill
  • Member

Found 2 vacume leaks and fixed them car still doing same thing didnt help

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Tuesday, March 12th, 2013 AT 12:21 AM

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