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

1995 Lincoln Mark VIII

Tiny

matthewhill

February, 28, 2013 AT 11:33 PM

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

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6 Answers

Tiny

ASEMaster6371

March, 1, 2013 AT 1:11 AM

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

I would also get the fuel pressure checked.

Roy

Tiny

matthewhill

March, 1, 2013 AT 10:13 AM

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

Tiny

ASEMaster6371

March, 1, 2013 AT 10:31 AM

Definitely sounds like a vacuum leak.

Roy

Tiny

matthewhill

March, 1, 2013 AT 11:59 PM

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

Tiny

ASEMaster6371

March, 2, 2013 AT 2:43 AM

We will be here

Roy

Tiny

matthewhill

March, 12, 2013 AT 12:21 AM

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

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