Mechanics

LINCOLN MARK VIII SENSOR PROBLEM

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
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Matthewhill
February 28, 2013.




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

I would also get the fuel pressure checked.

Roy

Car misses really bad in the low rpm range but does alright in higher rpm's
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Tiny
Matthewhill
Mar 1, 2013.
Definitely sounds like a vacuum leak.

Roy

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

Tiny
Matthewhill
Mar 1, 2013.
We will be here

Roy

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

Tiny
Matthewhill
Mar 12, 2013.

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