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P0155 Diagnostic Trouble Code Discussion for April 2010

Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance


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Trouble Ticket Help Requests for DTC P0155
Help Request Posted
1996 Chevrolet Blazer 4.3L Excessive Emissions, Poor Idle Quality, Surge VIN: 1GNDT13W3T
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. I am looking for some help with this fuel system. Running very rich at idle and off idle. When I first check fuel preasre it was right at 53-55 and would bleed off slowly when stopped. I cleared codes nd was only able to confirm the multi cly misfire. i suspec...
April 18, 2010
2004 Chevrolet Astro 4.3L MIL Lamp on VIN: 1GNEL19XX4
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. ... inspection and check engine light,pulled code p0155 bank 2 sensor 1 ,0/2 heater circut,verified bad 0/2 heater circut failed and replaced,car came back in approx.100 miles replaced 0/2 again thinking possible defect.car came back approx. 100 miles,replaced...
April 27, 2010
1996 Chevrolet Blazer 4.3L Excessive Emissions, Poor Idle Quality, Surge VIN: 1GNDT13W3T
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. I am looking for some help with this fuel system. Running very rich at idle and off idle. When I first check fuel preasre it was right at 53-55 and would bleed off slowly when stopped. I cleared codes nd was only able to confirm the multi cly misfire. i suspec...
April 18, 2010
2004 Chevrolet Astro 4.3L MIL Lamp on VIN: 1GNEL19XX4
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. ... inspection and check engine light,pulled code p0155 bank 2 sensor 1 ,0/2 heater circut,verified bad 0/2 heater circut failed and replaced,car came back in approx.100 miles replaced 0/2 again thinking possible defect.car came back approx. 100 miles,replaced...
April 27, 2010