Subaru P1151: Rear Oxygen Sensor Heater Circuit High Input

Is your scanner showing Subaru P1151?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Subaru P1151: Rear Oxygen Sensor Heater Circuit High Input

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$100-$300
Can I Still Drive?
:
Yes

What Are The Symptoms Of The Subaru P1151 Code?

Poor Drivability

How Can You Fix The Subaru P1151 Code?

  • Check input signal for ECM
  • Check any other DTC on display

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> INNOVA 5210

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Subaru Impreza Repair Manual for P1151 – Pages 606-607.

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