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Re: Code 13 1990 PA, 3800 engine
If you had a scan tool, you could easily test the circuit to the ECM......
Common problem? Not really.....it's a 23 year old engine......by now, should have had at least two put in.......can be contaminated by a coolant leak, or a lean condition which would cause the engine to run rich and carbon up the sensor....
Putting in used O2 sensors is hit or miss.....
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