My 1996 daewoo cielo gives out black smoke from the exhaust.

1996 DAEWOO CIELO
95,000 MILES
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KURUSH
  • MEMBER
  • 1 POST
I got 2 obd trouble codes 13 and 44.
Both point to oxygen sensor.
could it be bad.
how do i find out and how can i remove it to check.
Oct 3, 2011 at 12:26 AM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
removing it will tell you nothing.
a shop with a scan tool can monitor the voltage too see if the sensor is bad or something else causing the motor to run very rich.

Roy
Oct 3, 2011 at 12:28 AM
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