How much does it cost to replace an O2 sensor in a Subaru?

If one or more of the oxygen sensors are faulty, your car may not pass the emissions test.

Car 2015 Subaru ForesterH4-2.5L
Service Service typeOxygen Sensor - Rear/Lower/Downstream Replacement
Estimate Estimate$618.85
Shop/Dealer Price Shop/Dealer Price$745.44 - $1091.46


Where is the oxygen sensor located Subaru Legacy? (video)

Can you clean a Subaru O2 sensor?

A dirty oxygen sensor can cause your “check engine” light to come on, and can also result in your car burning through extra gasoline. If you suspect that your oxygen sensor may be dirty, you can clean it by first removing the sensor from its housing in the vehicle, and then soaking the sensor in gasoline overnight. via

How do you check a O2 sensor?

  • Make sure the engine exhaust system is cold.
  • Switch the clamp-meter on, to 'DC current/DC amperage' mode.
  • Put the clamp around either of the oxygen sensor heater power wires (but not both).
  • Turn the engine on.
  • Observe the reading, which should be between 0.25A and 1.5A.
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    How long do O2 sensors last?

    And lastly, how long do oxygen sensors typically last? Older vehicles have O2 sensors that will typically last 30,000 to 50,000 miles, or 3 to 5 years. Newer vehicles employ sensors with an additional heated element and these new sensors are more likely to last to 100,000 or 7-10 years. via

    Can a bad O2 sensor cause a P0420 code?

    Can a bad O2 sensor cause a P0420 code? Yes. A typical catalyst monitor uses the signal from the downstream oxygen sensor to determine catalyst efficiency, and the signal from the upstream sensor is a reference point. As such, failure of either the upstream or downstream oxygen sensor can cause code P0420 to set. via

    What does engine code P0134 mean?

    Code P0134 is triggered when your vehicle's O2 sensor (bank 1, sensor 1) is malfunctioning. The Engine Control Module (ECM) detects that the Oxygen (O2) sensor is at a standstill and is not accurately reading the amount of oxygen in the exhaust. via

    Do O2 sensors have fuses?

    Is there a fuse that controls O2 Sensor, Bank1/2 Whats voltage heater circuit. when the light re appears that quickly, there is an electrical issue. yes, there is a fuse for the o2 heaters. via

    How do you calibrate an O2 sensor?

    -For the first point, push and hold the calibrate button on the sensor using a paper clip or LabQuest stylus. -Enter a value of 0 for this reading. -Release the button and take a second reading in air. -Enter a value of 20.9% oxygen or a corrected value from the table in the sensor booklet. via

    How do you use an O2 sensor on a Crowfoot wrench? (video)

    How do you make an O2 sensor spacer? (video)

    Can Sea Foam help with O2 sensor?

    Registered. The code is for the sensor behind the catalytic converter (downstream) on the front bank by the radiator. Seafoam is on my top 5 list of chemicals I know work. But it won't help with a faulty O2 sensor. via

    Can Sea Foam clean oxygen sensors?

    Use a bowl of sea foam cleaner to soak the O2 sensor. There is foam cleaner available at your local auto parts store, if you wish. Overnight, let the O2 sensor sit in the cleaner. Once this happens, the cleaner will be able to penetrate and break up any existing deposits that might still be in there. via

    What brand O2 sensor is best?

    10 Best Oxygen Sensors Reviews

  • ACDelco AFS138 GM Original Equipment Heated Oxygen Sensor.
  • Denso 234-4261 Oxygen Sensor.
  • Abigail 15717 Oxygen Sensor.
  • Kax 234-4209 Oxygen Sensor.
  • Mostplus 234-4587 O2 Oxygen Sensor.
  • Bosch 17025 Oxygen Sensor.
  • YCT Oxygen O2 Sensor.
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    What codes will a bad O2 sensor cause?

    p0420 Code: Time to Replace an Oxygen Sensor?

  • Background on Oxygen Sensors. The engine's fuel injection computer uses oxygen sensors to constantly fine-tune the amount of fuel injected into your engine.
  • Common Causes of a p0420 Code (or Something Similar) Bad Sensor.
  • Now That You Have Some Background, Get to a Mechanic.
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    What are the symptoms of O2 sensor failure?

    If your vehicle has a bad oxygen sensor, it could run irregularly or sound rough when it idles. A faulty oxygen sensor can impact your engine's timing, combustion intervals, and other essential functions. You could also notice stalling or slow acceleration. via

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