What pins on the connector to the ECM I should check from?

P0138 Honda Accord

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03 HONDA ACCORD STALLS P0171 - YouTube

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P0498 2007 Honda Accord - YouTube
P0498 2007 Honda Accord - YouTube

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Honda civic p0420 2005 code p0138 ex sensor 2002 torque head oxygen p0141 cylinder bolts circuit step procedure headgasket change2003 honda accord code p2251 and p0138: engine mechanical problem I have a 2002 honda accord se with dtc p1457, mfr. controlled aux.

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2003 Honda Accord Code P2251 and P0138: Engine Mechanical Problem
2003 Honda Accord Code P2251 and P0138: Engine Mechanical Problem

P0138,P0139 Diagnosis from Hell Part 2 - YouTube
P0138,P0139 Diagnosis from Hell Part 2 - YouTube

03 HONDA ACCORD STALLS P0171 - YouTube
03 HONDA ACCORD STALLS P0171 - YouTube

2003 Honda Accord Code P2251 and P0138: Engine Mechanical Problem
2003 Honda Accord Code P2251 and P0138: Engine Mechanical Problem

PiersMatias's blog: Film
PiersMatias's blog: Film

P0138 - OBD-II Trouble Code: Oxygen Sensor Circuit High Voltage
P0138 - OBD-II Trouble Code: Oxygen Sensor Circuit High Voltage

What pins on the connector to the ECM I should check from?
What pins on the connector to the ECM I should check from?

I have a 2002 Honda Accord SE with DTC P1457, Mfr. Controlled Aux
I have a 2002 Honda Accord SE with DTC P1457, Mfr. Controlled Aux

2008 honda accord Code P0137 Upstream and replaces downstream sensor
2008 honda accord Code P0137 Upstream and replaces downstream sensor

P0304 Honda accord - YouTube
P0304 Honda accord - YouTube