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SOURCE: 1998 honda accord check engine light on code p0141
SECONDARY HEATED O2 SENSOR HEATER CIRCUIT FAULT SENSOR 2.
SOURCE: 2004 colorado code p0172
check your gas cap. If you fill your gas while the vehicle is running, it will also cause your light to come on. Go to OReilys or Autozone and they will shut it off for free and tell you the problem
SOURCE: P0103 high voltage
Check you r battery terms , and charging voltage , it may be to high causing the problem , in some rare cases a battery with a bad ceel will cause the voltage to go high.
SOURCE: I have changed 02 sensor
Are you delete the codes stored in the PCM?
If you are replaced oxygen sensor (cannot repair open or short that occurs internally
to sensor) I suggest check and repair short or open or high resistance in wiring harness or harness connectors.
Keep in touch.
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