1998 Dodge Ram 02 sensor, check engine light

Tiny
DODGE GIRL
  • 1998 DODGE RAM
  • 187,000 MILES

I changed the o2 sensor on downstream. And light is still on, and showing that the o2 sensor on downstream is still bad. Any ideas? I have also changed plugs, wires, & distributor cap & rotor. Truck runs fine, just cant get light off to pass emissions test.

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Friday, July 5th, 2013 AT 10:03 AM

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Tiny
JDL
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  • 16,283 POSTS

What are the actual trouble code number/s? Might be a problem with wiring circuit? If the code was for the 02 heater circuit, you would have to check that circuit.

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Friday, July 5th, 2013 AT 10:32 AM

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