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P0155 I have a code po 155 and p0155pd what is wrong?

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SOURCE: what does the code po 155 mean

Oxygen O2 Sensor Heater Circuit Malfunction (Bank2, Sensor1)

Posted on Apr 14, 2014

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2 Answers

Codes po 141 & code 155


If these codes only show after rain then the moisture is affecting the connections in the wires. Pull each connector apart and clean out with wd-40 or other water dispersant and ensure that the connections are water tight. Any dirt ,oil ,grease green gunk on the pins will cause a problem

Jul 18, 2014 | 1997 GMC Jimmy

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Wheret is the heater circuit?


P0155 is an O2 sensor heater circuit problem Bank 2 sensor 1. Replace the O2 sensor closest to the engine on the passenger side. The heaters are built into the sensor. No repairing them.

May 06, 2014 | 1999 Chevrolet Astro

1 Answer

What does the code po 155 mean


Oxygen O2 Sensor Heater Circuit Malfunction (Bank2, Sensor1)

Apr 14, 2014 | 1999 Chevrolet Astro

1 Answer

Po 155 code


O2 sensor heater circuit malfunction (bank 2 sensor 1)

Looks like you've got a problem with the O2 sensor.

Jun 25, 2013 | 2002 Dodge Intrepid

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2000 Honda Accord po-7*** errors


You can't fix these types of complex electronic engine control problems without special equipment.

Jun 12, 2013 | Honda Accord Cars & Trucks

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Error codes po 134 po 153 po 154 po 155 po 171 po 174


PO 134 = 02 SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 1 SENSOR1)
PO 153 =02 SENSOR CIRCUIT SLOW RESPONSE (BANK 2 SENSOR 1)
PO 154 =02 SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 2 SENSOR 1)
PO 155= 02 SENSOR HEATER CIRCUIT MALFUNCTION (BANK 2 SENSOR 1)
PO 171= SYSTEM TOO LEAN (BANK 1)
PO 174= SYSTEM TOO LEAN (BANK 2)
I WOULD SAY YOU HAVE FAULTY OXYGEN SENSORS CAUSING THE ENGINE TO RUN TOO LEAN REPLACE THEM AND YOU SHOULD BE BACK IN BUISNESS

Feb 23, 2011 | 2004 Suzuki Grand Vitara

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