how do you repair an oxygen heater circuit

1998 CADILLAC ELDORADO
100,000 MILES
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GEIJAY
  • MEMBER
  • 1 POST
P0135 is the error code I get from a diagnostic device.
Jan 22, 2012 at 5:45 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
-Replace the sensor and see what happens if the code continues to comeback-check wiring to it and computer
Jan 22, 2012 at 6:17 PM
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