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Check light

Tiny
CHARLIEHORSE
  • MEMBER
  • 1999 FORD MUSTANG
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 168,000 MILES
Ford mustang 1999 3.6 code 1130 o2 sensor circuit malfunction bank 1 sensor 1.I replaced the O2 sensor still geing the code were do I go from here.
Saturday, November 13th, 2010 AT 2:24 AM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It means teh pre converters O2 sensor on the left bank is causing the problem it canbe a connection or you need to know if it's to high or to low as it can be an exaust leak. Or even avacuum leak.
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Saturday, November 13th, 2010 AT 2:31 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
That code means the sensor is indicating constant rich or constant leans, could be either. You need to use a scan too to determine which it is and then look for a cause. It doesn't mean the sensor is bad.
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Saturday, November 13th, 2010 AT 2:31 AM

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