2002 Jeep Cherokee p0051 code oxygen sensor

2002 JEEP CHEROKEE
60,000 MILES • V8 • 4WD • AUTOMATIC
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AUTOBOB2
  • MEMBER
  • 1 POST
I have replaced my sensor but check engine light still is on how can i fix it
Aug 12, 2008 at 2:53 PM
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BMRFIXIT
  • ✓Experienced Mechanic
  • 19,053 POSTS
1st make sure you had replaced the correct sensor
check heater circuit for open or short
check ASD relay circuit
Aug 12, 2008 at 3:28 PM
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