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2000 Mazda 626 How can I repair P153 and P155 related probl

Tiny
MARKZ66
  • MEMBER
  • 2000 MAZDA 626
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 89,830 MILES
Hi,

My "check engine" light is on, the code says it:

P0153 O2 Sensor Circuit Slow Response (Bank 2 Sensor 1)

P0155 O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)

How can I take care of this problem?

Thanks.

Mark
mark_z66@yahoo. Com
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Sunday, June 15th, 2008 AT 11:50 PM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
A code P0153 may mean that one or more of the following has happened:

The oxygen sensor is faulty
The wiring to the sensor is broken / frayed
There is an exhaust leak

P0155 B2S1 heater oxygen circuit-check as above
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Monday, June 16th, 2008 AT 12:28 AM
Tiny
MARKZ66
  • MEMBER
  • 3 POSTS
So, what should I do?

1. Replace the oxygen sensor.
2. Replace the wire to the sensor.

BTW, the light turned on after I have an auto-accident which required the replacement of the car hood.

Thank.

Mark
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Monday, June 16th, 2008 AT 1:03 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inspect the wires to it-if okay either you replace the sensors or bring it in to the professionals so they can determine if its the sensor/wire or computer problem-
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Monday, June 16th, 2008 AT 1:09 AM
Tiny
MARKZ66
  • MEMBER
  • 3 POSTS
Thanks. Is bank 2 sensor one mean rear Oxygen Sensor?
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Monday, June 16th, 2008 AT 1:58 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Its the front O2 sensor on a 2.5liter not that familar with yours but my sources says its at center rear of engine compartment-
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Monday, June 16th, 2008 AT 2:18 AM

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