! I have a 2000 Ford Ranger PU that just had.

  • 2000 FORD RANGER
  • 97,000 MILES
HI! I have a 2000 Ford Ranger PU that just had its battery changed out by Les Schwab. After driving it a bit, the 'check engine light' came on. I disconnected the neg. Cable for 10 mins to reset. Then I had to take the Ford back to Les Schwab to replace the battery cable terminals. After a couple more days, the CEL came back on. Auto Zone did OBD check and we got a read of P0136. Would installing a new battery short out the O2 Sensor?

Also, after changing out the battery, I found a loose connection right by the battery which I have taken a pic of. Can you tell me its importance or where it goes?

Thanks for any help you can give me! Jodi
Saturday, November 17th, 2012 AT 8:13 PM

1 Reply

No it wouldn't do that on the O2 sensor need to know what color wire that is it may go to the positive cable but don't wan tto say so.
Was this
Saturday, November 17th, 2012 AT 9:10 PM

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