97 chrysler sebring p0140 code

wolfsmane

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1997 Chrysler Sebring Convertible V6-2.5L VIN H


getting an intermittent check engine light

pulling up:

code P0140
Generic 02 Sensor
CKT No Activity
Bank 1 Sensor 2

Fuel System 1 CL, Using Ho25
Fuel System 2 N/A

does this mean that in fact, the o2 sensor is bad?
 

Mobile Dan

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The sensor at the rear of the cat may have intermittant failure.

The wiring to that sensor may have a problem.

The PCM may have a problem.
 

wolfsmane

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the computer was dealer replaced in july. during the same time, the temp sensor was replaced,
and a cracked solder joint repaired on the circuit board of the gauge pod.
 

Mobile Dan

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Do a visual inspection of the O2 sensor harnesses.

Use a scanner to view live datastream O2 sensor activity.
 
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