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1996 Ford Aerostar

Oxygen Sensors

Some telltale signs that your oxygen sensor is starting to fail include the check engine light coming on, poor fuel economy, and the engine running rough. Get a replacement as soon as you confirm that your oxygen sensor is bad. The great news is that here at CarParts.com, we have an oxygen sensor replacement for every application (upstream, downstream, before/after the catalytic converter, etc.). Choose from our wide range of high-quality O2 sensors manufactured by the most reputable names in the industry.
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Before Catalytic Converter Oxygen Sensor, Sold Individualy, 4-Wire, 6 Cylinder, 3.0/4.0L Engine
Part Number: REPF960904
Guaranteed to Fit
$19.99
Vehicle Fitment
  • 1996 Ford Aerostar XLT Sport 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT 6 Cyl 4.0L
  • 1996 Ford Aerostar Base 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT 6 Cyl 3.0L
  • 1996 Ford Aerostar Base 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Sport 6 Cyl 4.0L
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15.75 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024001Connector Gender : Male ConnectorWarranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Returns Policy : 30-Day Return Policy
Before Catalytic Converter Oxygen Sensors, 4-wire, 6 Cyl., 3.0/4.0L Engines
Part Number: SET-REPF960904-2
Guaranteed to Fit
$38.99
Vehicle Fitment
  • 1996 Ford Aerostar XLT Sport 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT 6 Cyl 4.0L
  • 1996 Ford Aerostar Base 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT 6 Cyl 3.0L
  • 1996 Ford Aerostar Base 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Sport 6 Cyl 4.0L
Product Details
Location : Before Catalytic ConverterComponents : (2) Oxygen SensorsType : 4-wireQuantity Sold : Set of 2Product Fit : Direct FitWire Length : 15.75 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeConnector Gender : Male ConnectorWarranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Returns Policy : 30-Day Return Policy
Oxygen Sensor, 4-Wire, Heated
Part Number: REPF960908
Guaranteed to Fit
$18.99
Vehicle Fitment
  • 1996 Ford Aerostar Base 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT Sport 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 3.0L
  • 1996 Ford Aerostar Base 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT Sport 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT 6 Cyl 4.0L
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 18.82 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024127Connector Gender : Male ConnectorWarranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Returns Policy : 30-Day Return Policy
Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP35034089
Guaranteed to Fit
$32.49
Vehicle Fitment
  • 1996 Ford Aerostar Base 6 Cyl 4.0L Eng. VIN: X, FI, Naturally Aspirated, GAS
  • 1996 Ford Aerostar XLT Sport 6 Cyl 3.0L Eng. VIN: U, FI, Naturally Aspirated, GAS
  • 1996 Ford Aerostar XLT 6 Cyl 3.0L Eng. VIN: U, FI, Naturally Aspirated, GAS
  • 1996 Ford Aerostar XLT Plus 6 Cyl 3.0L Eng. VIN: U, FI, Naturally Aspirated, GAS
  • 1996 Ford Aerostar Base 6 Cyl 3.0L Eng. VIN: U, FI, Naturally Aspirated, GAS
  • 1996 Ford Aerostar XLT Plus 6 Cyl 4.0L Eng. VIN: X, FI, Naturally Aspirated, GAS
  • 1996 Ford Aerostar XLT Sport 6 Cyl 4.0L Eng. VIN: X, FI, Naturally Aspirated, GAS
  • 1996 Ford Aerostar XLT 6 Cyl 4.0L Eng. VIN: X, FI, Naturally Aspirated, GAS
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 19.69 in. Wire LengthWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Aftermarket Base SensorReturns Policy : 30-Day Return Policy
Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: 25024127
Guaranteed to Fit
$33.99
Vehicle Fitment
  • 1996 Ford Aerostar Base 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT Sport 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 3.0L
  • 1996 Ford Aerostar Base 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT Sport 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT 6 Cyl 4.0L
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 19.69 in. Wire LengthInterchange Part Number : ARBM960908, 15718Warranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Original Equipment Base SensorReturns Policy : 30-Day Return Policy
Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344127
Guaranteed to Fit
$32.49
Vehicle Fitment
  • 1996 Ford Aerostar Base 6 Cyl 4.0L O.E. Quality Replacement Sensor
  • 1996 Ford Aerostar XLT Sport 6 Cyl 3.0L O.E. Quality Replacement Sensor
  • 1996 Ford Aerostar XLT Plus 6 Cyl 3.0L O.E. Quality Replacement Sensor
  • 1996 Ford Aerostar XLT Plus 6 Cyl 4.0L O.E. Quality Replacement Sensor
  • 1996 Ford Aerostar XLT 6 Cyl 4.0L O.E. Quality Replacement Sensor
  • 1996 Ford Aerostar XLT 6 Cyl 3.0L O.E. Quality Replacement Sensor
  • 1996 Ford Aerostar Base 6 Cyl 3.0L O.E. Quality Replacement Sensor
  • 1996 Ford Aerostar XLT Sport 6 Cyl 4.0L O.E. Quality Replacement Sensor
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 15718Warranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344070
Guaranteed to Fit
$36.49
Vehicle Fitment
  • 1996 Ford Aerostar Base 6 Cyl 4.0L O.E. Quality Replacement Sensor
  • 1996 Ford Aerostar XLT Sport 6 Cyl 3.0L O.E. Quality Replacement Sensor
  • 1996 Ford Aerostar XLT 6 Cyl 3.0L O.E. Quality Replacement Sensor
  • 1996 Ford Aerostar XLT Plus 6 Cyl 3.0L O.E. Quality Replacement Sensor
  • 1996 Ford Aerostar Base 6 Cyl 3.0L O.E. Quality Replacement Sensor
  • 1996 Ford Aerostar XLT Plus 6 Cyl 4.0L O.E. Quality Replacement Sensor
  • 1996 Ford Aerostar XLT Sport 6 Cyl 4.0L O.E. Quality Replacement Sensor
  • 1996 Ford Aerostar XLT 6 Cyl 4.0L O.E. Quality Replacement Sensor
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 15718, 2344609Warranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Oxygen Sensor, Sold individually 4-wire
Part Number: NG22503
Guaranteed to Fit
$38.49
Vehicle Fitment
  • 1996 Ford Aerostar Base 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT Sport 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 3.0L
  • 1996 Ford Aerostar Base 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT Sport 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT 6 Cyl 4.0L
Product Details
Location : After Catalytic ConverterNotes : Heated Sensor TypeType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 22 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15718Warranty : NGK limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Oxygen Sensor, Sold individually
Part Number: ACB88260001
Guaranteed to Fit
$66.66
Vehicle Fitment
  • 1996 Ford Aerostar XLT Sport 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT 6 Cyl 4.0L
  • 1996 Ford Aerostar Base 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT 6 Cyl 3.0L
  • 1996 Ford Aerostar Base 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Sport 6 Cyl 4.0L
Product Details
Location : Before Catalytic ConverterQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : Aceon limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

After Catalytic Converter Motorcraft OE Replacement Oxygen Sensor, Sold individually 4-wire
Part Number: MIDY1092
Guaranteed to Fit
$142.99
Vehicle Fitment
  • 1996 Ford Aerostar XLT Plus 6 Cyl 4.0L F6TF-9G444-CA, F7TF-9G444-CA, F8TF-9G444-CA
  • 1996 Ford Aerostar XLT Sport 6 Cyl 3.0L F6TF-9G444-CA, F7TF-9G444-CA, F8TF-9G444-CA
  • 1996 Ford Aerostar Base 6 Cyl 3.0L F6TF-9G444-CA, F7TF-9G444-CA, F8TF-9G444-CA
  • 1996 Ford Aerostar XLT Sport 6 Cyl 4.0L F6TF-9G444-CA, F7TF-9G444-CA, F8TF-9G444-CA
  • 1996 Ford Aerostar Base 6 Cyl 4.0L F6TF-9G444-CA, F7TF-9G444-CA, F8TF-9G444-CA
  • 1996 Ford Aerostar XLT 6 Cyl 4.0L F6TF-9G444-CA, F7TF-9G444-CA, F8TF-9G444-CA
  • 1996 Ford Aerostar XLT 6 Cyl 3.0L F6TF-9G444-CA, F7TF-9G444-CA, F8TF-9G444-CA
  • 1996 Ford Aerostar XLT Plus 6 Cyl 3.0L F6TF-9G444-CA, F7TF-9G444-CA, F8TF-9G444-CA
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 15730, SG300Warranty : 2-year or unlimited-mile Motorcraft limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Motorcraft OE Replacement
Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: 25024001
Guaranteed to Fit
$44.99
Vehicle Fitment
  • 1996 Ford Aerostar XLT Sport 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT 6 Cyl 4.0L
  • 1996 Ford Aerostar Base 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT 6 Cyl 3.0L
  • 1996 Ford Aerostar Base 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Sport 6 Cyl 4.0L
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15.75 in. Wire LengthInterchange Part Number : REPF960904Warranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Original Equipment Base Sensor
OE Replacement Series Oxygen Sensor, Sold individually 4-wire
Part Number: BS15719
Guaranteed to Fit
$37.49
Vehicle Fitment
  • 1996 Ford Aerostar Base 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT Sport 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 3.0L
  • 1996 Ford Aerostar Base 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT Sport 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT 6 Cyl 4.0L
Product Details
Location : DownstreamType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 25.2 in. Wire LengthInterchange Part Number : 15718Warranty : 1-year Bosch limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : European Vehicle PartsSeries : OE Replacement Series
Oxygen Sensor, Sold individually 4-wire
Part Number: DELES20316
Guaranteed to Fit
$40.49
Vehicle Fitment
  • 1996 Ford Aerostar XLT Sport 6 Cyl 3.0L With 270mm Overall Length
  • 1996 Ford Aerostar XLT Plus 6 Cyl 3.0L With 270mm Overall Length
  • 1996 Ford Aerostar XLT Plus 6 Cyl 4.0L With 270mm Overall Length
  • 1996 Ford Aerostar XLT 6 Cyl 4.0L With 270mm Overall Length
  • 1996 Ford Aerostar Base 6 Cyl 4.0L With 270mm Overall Length
  • 1996 Ford Aerostar XLT 6 Cyl 3.0L With 270mm Overall Length
  • 1996 Ford Aerostar Base 6 Cyl 3.0L With 270mm Overall Length
  • 1996 Ford Aerostar XLT Sport 6 Cyl 4.0L With 270mm Overall Length
Product Details
Location : FrontType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 10.63 in. Wire LengthThread Size : 18 x 1.5 mm Thread SizeInterchange Part Number : 15718Warranty : 1-year or 12,000-mile Delphi limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Oxygen Sensor, Sold individually 4-wire
Part Number: DELES20064
Guaranteed to Fit
$40.99
Vehicle Fitment
  • 1996 Ford Aerostar Base 6 Cyl 4.0L With 500mm Overall Length; With 4 Pin Connector
  • 1996 Ford Aerostar XLT Sport 6 Cyl 3.0L With 500mm Overall Length; With 4 Pin Connector
  • 1996 Ford Aerostar XLT 6 Cyl 3.0L With 500mm Overall Length; With 4 Pin Connector
  • 1996 Ford Aerostar XLT Plus 6 Cyl 3.0L With 500mm Overall Length; With 4 Pin Connector
  • 1996 Ford Aerostar Base 6 Cyl 3.0L With 500mm Overall Length; With 4 Pin Connector
  • 1996 Ford Aerostar XLT Plus 6 Cyl 4.0L With 500mm Overall Length; With 4 Pin Connector
  • 1996 Ford Aerostar XLT Sport 6 Cyl 4.0L With 500mm Overall Length; With 4 Pin Connector
  • 1996 Ford Aerostar XLT 6 Cyl 4.0L With 500mm Overall Length; With 4 Pin Connector
Product Details
Location : RearType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 19.69 in. Wire LengthThread Size : 18 x 1.5 mm Thread SizeInterchange Part Number : 15718Warranty : 1-year or 12,000-mile Delphi limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

OE Replacement Series Oxygen Sensor, Sold individually 4-wire
Part Number: BS15729
Guaranteed to Fit
$40.49
Vehicle Fitment
  • 1996 Ford Aerostar XLT Sport 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT 6 Cyl 4.0L
  • 1996 Ford Aerostar Base 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT Sport 6 Cyl 4.0L
  • 1996 Ford Aerostar XLT Plus 6 Cyl 3.0L
  • 1996 Ford Aerostar XLT 6 Cyl 3.0L
  • 1996 Ford Aerostar Base 6 Cyl 3.0L
Product Details
Location : Downstream or UpstreamType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 29.7 in. Wire LengthInterchange Part Number : 15510Warranty : 1-year Bosch limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : European Vehicle PartsSeries : OE Replacement Series
Page 1 of 3 | Showing 1 - 15 of 36 results

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Part worked, on time good job, keep it up.
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Bought this part and my car is running great I will buy more parts from u guys
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Product Questions & Answers

Q:Is their a differents between upstream and down stream oxgen sensors ? Show Less
Ronnie M.
A:BEST ANSWERHi Ronnie, I'm glad to assist you. Yes, there is a difference. For us to check carefully and be accurate on the part you need, please provide the complete details of your vehicle (year, make, model, submodel, 2WD/4WD, and engine size). The VIN would be helpful. Show less
Jeonino E.
 
2 Questions, 1 AnswerView all Q&As >

Shopping for Oxygen Sensor

Oxygen Sensor Shopping Info

What Is an Oxygen Sensor?

Modern vehicles are equipped with oxygen sensors, which monitor the amount of oxygen in the exhaust pipe. This part works with the engine control module to maintain your vehicle’s performance and keep its emissions in check.

How Much Does an Oxygen Sensor Replacement Cost?

Replacement oxygen sensors cost anywhere from $10 to $600 for the part alone. Factors that affect this part’s pricing include quantity, location, sensor type, and kit inclusions. Labor can cost you an additional $60 to $70, depending on where you live.

Shop for Aftermarket Oxygen Sensors on CarParts.com

Need to get an OE-grade oxygen sensor replacement fast? Here at CarParts.com, you don’t have to wait in line at a brick-and-mortar store just to get the part you need. With just a few clicks, you can get your orders delivered right to your doorstep in as fast as two business days.

Oxygen sensor replacements are typically sold individually, but you can also purchase them in sets of two or in kits that include catalytic converters. They’re also sold in a variety of inlet types and dimensions, so make sure to double-check if you’ve chosen a part with the right specifications.

With all these options and specifications to look out for, shopping for oxygen sensors can seem like an intimidating task. But with our user-friendly website, you can buy the right oxygen sensor in just a few clicks. Our products are manufactured in world-class facilities and have gone through strict tests to ensure their quality. This way, you can rest easy knowing that you’re getting high-quality products at unbeatable prices.

To view oxygen sensors and other compatible parts for your vehicle, use our vehicle selector tool and enter your vehicle’s specific year, make, and model. You can also indicate your preferences using our search filters. Buying oxygen sensors is easy and convenient here at CarParts.com. Shop now!

Helpful Automotive Resources

P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)
P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)P0141 is part of a family of codes listed as follows: P0141 – Sensor Heater Circuit Bank 1 Sensor 2 P0161 – Sensor Heater Circuit Bank 2 Sensor 2 P0135 – O2 Sensor Heater Circuit Bank 1 Sensor 1 P0155 – O2 Heater Circuit Bank 2, Sensor 1 Make sure you know bank 1 from
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3When there are only 3 O2 sensors it’s typically because there’s only one catalyst being monitored, and “Bank 1” is the default designation when there’s only one sensor in a category. Diagram showing 3 oxygen sensors | Image Source: Richard McCuistian
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)Due to this, the O2 sensor features an integrated heater circuit to bring it up to operating temperature after a cold start. When this circuit stops functioning properly, it can trigger a P0135. The oxygen sensor monitors your vehicle’s air-to-fuel ratio. What Does the P0135 Code Mean?