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2004 Ford Explorer
2004 Ford Explorer Oxygen Sensors
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Part Number: REPF960904
Guaranteed to Fit
$20.49
Vehicle Fitment
- 2004 Ford Explorer XLT 6 Cyl 4.0L
- 2004 Ford Explorer XLS 6 Cyl 4.0L
- 2004 Ford Explorer Eddie Bauer 8 Cyl 4.6L
- 2004 Ford Explorer NBX 8 Cyl 4.6L
- 2004 Ford Explorer XLT Sport 6 Cyl 4.0L
- 2004 Ford Explorer XLS Sport 6 Cyl 4.0L
- 2004 Ford Explorer Eddie Bauer 6 Cyl 4.0L
- 2004 Ford Explorer Limited 6 Cyl 4.0L
- 2004 Ford Explorer NBX 6 Cyl 4.0L
- 2004 Ford Explorer XLT Sport 8 Cyl 4.6L
- 2004 Ford Explorer Limited 8 Cyl 4.6L
- 2004 Ford Explorer XLT 8 Cyl 4.6L
Product Details
Location : After 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: 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.
Part Number: SET-REPF960904-2
Guaranteed to Fit
$39.99
Vehicle Fitment
- 2004 Ford Explorer XLT 6 Cyl 4.0L
- 2004 Ford Explorer XLS 6 Cyl 4.0L
- 2004 Ford Explorer Eddie Bauer 8 Cyl 4.6L
- 2004 Ford Explorer NBX 8 Cyl 4.6L
- 2004 Ford Explorer XLT Sport 6 Cyl 4.0L
- 2004 Ford Explorer XLS Sport 6 Cyl 4.0L
- 2004 Ford Explorer Eddie Bauer 6 Cyl 4.0L
- 2004 Ford Explorer Limited 6 Cyl 4.0L
- 2004 Ford Explorer NBX 6 Cyl 4.0L
- 2004 Ford Explorer XLT Sport 8 Cyl 4.6L
- 2004 Ford Explorer Limited 8 Cyl 4.6L
- 2004 Ford Explorer XLT 8 Cyl 4.6L
Product Details
Location : After 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: 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.
Part Number: REPF960902
Guaranteed to Fit
$27.99
Vehicle Fitment
- 2004 Ford Explorer XLT Sport 6 Cyl 4.0L
- 2004 Ford Explorer Eddie Bauer 6 Cyl 4.0L
- 2004 Ford Explorer Limited 6 Cyl 4.0L
- 2004 Ford Explorer XLT 6 Cyl 4.0L
- 2004 Ford Explorer NBX 6 Cyl 4.0L
- 2004 Ford Explorer XLS 6 Cyl 4.0L
- 2004 Ford Explorer XLS Sport 6 Cyl 4.0L
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024701Connector Gender : Male ConnectorWarranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :
WARNING: 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.
Part Number: SET-REPF960902-2
Guaranteed to Fit
$52.99
Vehicle Fitment
- 2004 Ford Explorer XLT Sport 6 Cyl 4.0L
- 2004 Ford Explorer XLT Sport 8 Cyl 4.6L
- 2004 Ford Explorer XLT 6 Cyl 4.0L
- 2004 Ford Explorer XLS 6 Cyl 4.0L
- 2004 Ford Explorer Limited 8 Cyl 4.6L
- 2004 Ford Explorer Eddie Bauer 6 Cyl 4.0L
- 2004 Ford Explorer Limited 6 Cyl 4.0L
- 2004 Ford Explorer Eddie Bauer 8 Cyl 4.6L
- 2004 Ford Explorer NBX 6 Cyl 4.0L
- 2004 Ford Explorer XLT 8 Cyl 4.6L
- 2004 Ford Explorer XLS Sport 6 Cyl 4.0L
- 2004 Ford Explorer NBX 8 Cyl 4.6L
Product Details
Location : Before Catalytic ConverterComponents : (2) Oxygen SensorsType : 4-wireQuantity Sold : Set of 2Product Fit : Direct FitThread 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: 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.
Part Number: SET-REPF960902-4
Guaranteed to Fit
$106.49
Vehicle Fitment
- 2004 Ford Explorer XLT Sport 6 Cyl 4.0L enginevinnname: E, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer Eddie Bauer 6 Cyl 4.0L enginevinnname: E, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer Limited 6 Cyl 4.0L enginevinnname: E, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer XLT 6 Cyl 4.0L enginevinnname: E, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer NBX 6 Cyl 4.0L enginevinnname: E, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer XLS 6 Cyl 4.0L enginevinnname: E, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer XLS Sport 6 Cyl 4.0L enginevinnname: E, FI, Naturally Aspirated, GAS
Product Details
Location : Before And After Catalytic ConverterComponents : (4) Oxygen SensorsType : 4-wireQuantity Sold : Set of 4Product Fit : Direct FitThread 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: 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.
Part Number: RF96090005
Guaranteed to Fit
$19.54
Vehicle Fitment
- 2004 Ford Explorer XLT Sport 6 Cyl 4.0L
- 2004 Ford Explorer Eddie Bauer 6 Cyl 4.0L
- 2004 Ford Explorer Limited 6 Cyl 4.0L
- 2004 Ford Explorer XLT 6 Cyl 4.0L
- 2004 Ford Explorer NBX 6 Cyl 4.0L
- 2004 Ford Explorer XLS 6 Cyl 4.0L
- 2004 Ford Explorer XLS Sport 6 Cyl 4.0L
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.72 in. Wire LengthInterchange Part Number : 25024701Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :
WARNING: 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.
Part Number: WKP35034539
Guaranteed to Fit
$38.49
Vehicle Fitment
- 2004 Ford Explorer XLT Sport 6 Cyl 4.0L Eng. VIN: E, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer Eddie Bauer 6 Cyl 4.0L Eng. VIN: E, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer Limited 6 Cyl 4.0L Eng. VIN: E, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer XLT 6 Cyl 4.0L Eng. VIN: E, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer NBX 6 Cyl 4.0L Eng. VIN: E, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer XLS 6 Cyl 4.0L Eng. VIN: E, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer XLS Sport 6 Cyl 4.0L Eng. VIN: E, FI, Naturally Aspirated, GAS
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.72 in. Wire LengthWarranty : 90-day Walker Products limited warrantyProp 65 Warning :
WARNING: 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.
Part Number: WKP250241127
Guaranteed to Fit
$59.99
Vehicle Fitment
- 2004 Ford Explorer XLT Sport 6 Cyl 4.0L
- 2004 Ford Explorer XLT Sport 8 Cyl 4.6L
- 2004 Ford Explorer XLT 6 Cyl 4.0L
- 2004 Ford Explorer XLS 6 Cyl 4.0L
- 2004 Ford Explorer Limited 8 Cyl 4.6L
- 2004 Ford Explorer Eddie Bauer 6 Cyl 4.0L
- 2004 Ford Explorer Limited 6 Cyl 4.0L
- 2004 Ford Explorer Eddie Bauer 8 Cyl 4.6L
- 2004 Ford Explorer NBX 6 Cyl 4.0L
- 2004 Ford Explorer XLT 8 Cyl 4.6L
- 2004 Ford Explorer XLS Sport 6 Cyl 4.0L
- 2004 Ford Explorer NBX 8 Cyl 4.6L
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.72 in. Wire LengthWarranty : 90-day Walker Products limited warrantyProp 65 Warning :
WARNING: 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.
Part Number: BS15664
Guaranteed to Fit
$34.99
Vehicle Fitment
- 2004 Ford Explorer XLT Sport 6 Cyl 4.0L
- 2004 Ford Explorer XLT Sport 8 Cyl 4.6L
- 2004 Ford Explorer XLT 6 Cyl 4.0L
- 2004 Ford Explorer XLS 6 Cyl 4.0L
- 2004 Ford Explorer Limited 8 Cyl 4.6L
- 2004 Ford Explorer Eddie Bauer 6 Cyl 4.0L
- 2004 Ford Explorer Limited 6 Cyl 4.0L
- 2004 Ford Explorer Eddie Bauer 8 Cyl 4.6L
- 2004 Ford Explorer NBX 6 Cyl 4.0L
- 2004 Ford Explorer XLT 8 Cyl 4.6L
- 2004 Ford Explorer XLS Sport 6 Cyl 4.0L
- 2004 Ford Explorer NBX 8 Cyl 4.6L
Product Details
Location : UpstreamType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.2 in. Wire LengthReplaces OE Number : XL3Z9F472AA, ZZR118861Interchange Part Number : 15718, XL3Z9F472AA, ZZR118861Warranty : 1-year Bosch limited warrantyProp 65 Warning :
WARNING: 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.
Part Number: NP2344071
Guaranteed to Fit
$34.99
Vehicle Fitment
- 2004 Ford Explorer Eddie Bauer 8 Cyl 4.6L With 11" Downstream Sensor
- 2004 Ford Explorer XLS Sport 6 Cyl 4.0L With 11" Downstream Sensor
- 2004 Ford Explorer NBX 8 Cyl 4.6L With 11" Downstream Sensor
- 2004 Ford Explorer XLT Sport 6 Cyl 4.0L With 11" Downstream Sensor
- 2004 Ford Explorer XLT Sport 8 Cyl 4.6L With 11" Downstream Sensor
- 2004 Ford Explorer XLT 6 Cyl 4.0L With 11" Downstream Sensor
- 2004 Ford Explorer XLS 6 Cyl 4.0L With 11" Downstream Sensor
- 2004 Ford Explorer Limited 8 Cyl 4.6L With 11" Downstream Sensor
- 2004 Ford Explorer Eddie Bauer 6 Cyl 4.0L With 11" Downstream Sensor
- 2004 Ford Explorer Limited 6 Cyl 4.0L With 11" Downstream Sensor
- 2004 Ford Explorer NBX 6 Cyl 4.0L With 11" Downstream Sensor
- 2004 Ford Explorer XLT 8 Cyl 4.6L With 11" Downstream Sensor
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitReplaces OE Number : 5W6Z9G444AA, 5W6Z9G444BA, F85Z9G444AB, F85Z9G444BAInterchange Part Number : 15718Warranty : 1-year Denso limited WarrantyProp 65 Warning :
WARNING: 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.
Part Number: NP2344127
Guaranteed to Fit
$32.49
Vehicle Fitment
- 2004 Ford Explorer XLS Sport 6 Cyl 4.0L With 15" Downstream Sensor
- 2004 Ford Explorer XLT 6 Cyl 4.0L With 15" Downstream Sensor
- 2004 Ford Explorer XLS 6 Cyl 4.0L With 15" Downstream Sensor
- 2004 Ford Explorer Eddie Bauer 6 Cyl 4.0L With 15" Downstream Sensor
- 2004 Ford Explorer Limited 6 Cyl 4.0L With 15" Downstream Sensor
- 2004 Ford Explorer NBX 6 Cyl 4.0L With 15" Downstream Sensor
- 2004 Ford Explorer Eddie Bauer 8 Cyl 4.6L With 15" Downstream Sensor
- 2004 Ford Explorer NBX 8 Cyl 4.6L With 15" Downstream Sensor
- 2004 Ford Explorer XLT Sport 6 Cyl 4.0L With 15" Downstream Sensor
- 2004 Ford Explorer XLT Sport 8 Cyl 4.6L With 15" Downstream Sensor
- 2004 Ford Explorer Limited 8 Cyl 4.6L With 15" Downstream Sensor
- 2004 Ford Explorer XLT 8 Cyl 4.6L With 15" Downstream Sensor
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 15718Warranty : 1-year Denso limited WarrantyProp 65 Warning :
WARNING: 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.
Part Number: SET-NP2344127
Guaranteed to Fit
$127.99
Vehicle Fitment
- 2004 Ford Explorer Eddie Bauer 8 Cyl 4.6L With 15 Downstream Sensor, With 11 in. Wire
- 2004 Ford Explorer XLS Sport 6 Cyl 4.0L With 15 Downstream Sensor, With 11 in. Wire
- 2004 Ford Explorer NBX 8 Cyl 4.6L With 15 Downstream Sensor, With 11 in. Wire
- 2004 Ford Explorer XLT Sport 6 Cyl 4.0L With 15 Downstream Sensor, With 11 in. Wire
- 2004 Ford Explorer XLT Sport 8 Cyl 4.6L With 15 Downstream Sensor, With 11 in. Wire
- 2004 Ford Explorer XLT 6 Cyl 4.0L With 15 Downstream Sensor, With 11 in. Wire
- 2004 Ford Explorer XLS 6 Cyl 4.0L With 15 Downstream Sensor, With 11 in. Wire
- 2004 Ford Explorer Limited 8 Cyl 4.6L With 15 Downstream Sensor, With 11 in. Wire
- 2004 Ford Explorer Eddie Bauer 6 Cyl 4.0L With 15 Downstream Sensor, With 11 in. Wire
- 2004 Ford Explorer Limited 6 Cyl 4.0L With 15 Downstream Sensor, With 11 in. Wire
- 2004 Ford Explorer NBX 6 Cyl 4.0L With 15 Downstream Sensor, With 11 in. Wire
- 2004 Ford Explorer XLT 8 Cyl 4.6L With 15 Downstream Sensor, With 11 in. Wire
Product Details
Location : Before and After Catalytic ConverterNotes : Set Components - (4) Oxygen SensorType : 4-wireQuantity Sold : Set of 4Product Fit : Direct FitWarranty : 1-year Denso limited WarrantyProp 65 Warning :
WARNING: 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.
Part Number: BS15716
Guaranteed to Fit
$34.99
Vehicle Fitment
- 2004 Ford Explorer XLS Sport 6 Cyl 4.0L OE manufactured part
- 2004 Ford Explorer XLT 6 Cyl 4.0L OE manufactured part
- 2004 Ford Explorer XLS 6 Cyl 4.0L OE manufactured part
- 2004 Ford Explorer Eddie Bauer 6 Cyl 4.0L OE manufactured part
- 2004 Ford Explorer Limited 6 Cyl 4.0L OE manufactured part
- 2004 Ford Explorer NBX 6 Cyl 4.0L OE manufactured part
- 2004 Ford Explorer XLT Sport 6 Cyl 4.0L OE manufactured part
Product Details
Location : Downstream, Driver SideType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 11.8 in. Wire LengthInterchange Part Number : 15718Warranty : 1-year Bosch limited warrantyProp 65 Warning :
WARNING: 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.
Part Number: NP2344401
Guaranteed to Fit
$40.99
Vehicle Fitment
- 2004 Ford Explorer XLT Sport 6 Cyl 4.0L O.E. Quality Replacement Sensor
- 2004 Ford Explorer XLT Sport 8 Cyl 4.6L O.E. Quality Replacement Sensor
- 2004 Ford Explorer XLT 6 Cyl 4.0L O.E. Quality Replacement Sensor
- 2004 Ford Explorer XLS 6 Cyl 4.0L O.E. Quality Replacement Sensor
- 2004 Ford Explorer Limited 8 Cyl 4.6L O.E. Quality Replacement Sensor
- 2004 Ford Explorer Eddie Bauer 6 Cyl 4.0L O.E. Quality Replacement Sensor
- 2004 Ford Explorer Limited 6 Cyl 4.0L O.E. Quality Replacement Sensor
- 2004 Ford Explorer Eddie Bauer 8 Cyl 4.6L O.E. Quality Replacement Sensor
- 2004 Ford Explorer NBX 6 Cyl 4.0L O.E. Quality Replacement Sensor
- 2004 Ford Explorer XLT 8 Cyl 4.6L O.E. Quality Replacement Sensor
- 2004 Ford Explorer XLS Sport 6 Cyl 4.0L O.E. Quality Replacement Sensor
- 2004 Ford Explorer NBX 8 Cyl 4.6L O.E. Quality Replacement Sensor
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 11 in. Wire LengthInterchange Part Number : 15718Warranty : 1-year Denso limited WarrantyProp 65 Warning :
WARNING: 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.
Part Number: WKP35034691
Guaranteed to Fit
$37.49
Vehicle Fitment
- 2004 Ford Explorer XLT Sport 6 Cyl 4.0L Eng. VIN: K, FI, Naturally Aspirated, FLEX
- 2004 Ford Explorer XLT Sport 8 Cyl 4.6L Eng. VIN: W, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer XLT 6 Cyl 4.0L Eng. VIN: K, FI, Naturally Aspirated, FLEX
- 2004 Ford Explorer XLS 6 Cyl 4.0L Eng. VIN: K, FI, Naturally Aspirated, FLEX
- 2004 Ford Explorer Limited 8 Cyl 4.6L Eng. VIN: W, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer Eddie Bauer 6 Cyl 4.0L Eng. VIN: K, FI, Naturally Aspirated, FLEX
- 2004 Ford Explorer Limited 6 Cyl 4.0L Eng. VIN: K, FI, Naturally Aspirated, FLEX
- 2004 Ford Explorer Eddie Bauer 8 Cyl 4.6L Eng. VIN: W, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer NBX 6 Cyl 4.0L Eng. VIN: K, FI, Naturally Aspirated, FLEX
- 2004 Ford Explorer XLT 8 Cyl 4.6L Eng. VIN: W, FI, Naturally Aspirated, GAS
- 2004 Ford Explorer XLS Sport 6 Cyl 4.0L Eng. VIN: K, FI, Naturally Aspirated, FLEX
- 2004 Ford Explorer NBX 8 Cyl 4.6L Eng. VIN: W, FI, Naturally Aspirated, GAS
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.72 in. Wire LengthWarranty : 90-day Walker Products limited warrantyProp 65 Warning :
WARNING: 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.
Page 1 of 4 | Showing 1 - 15 of 51 results
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Q:How many O2 sensors are needed for a 1996 E -350 Econoline 1 ton van? Show Less
Donald M.
A:BEST ANSWERHi Donald, I'm glad to help you out. The answer varies depending on the engine of your vehicle. Feel free to call our Sales team at 1-866-529-0412, so you can provide the complete details of your vehicle. I hope this helps. Happy shopping. Show less
Aldrin P.
2 Questions, 1 AnswerView all Q&As >
Helpful Automotive Resources
P2187 Code: System too Lean at Idle (Bank 1)Note that there is only one bank if your car has a straight engine and the scan tool will always refer to that bank as “Bank 1.”
P2187 code indicates that your vehicle’s computer detected a potential issue with the fuel mixture at idle.
P2270 Code: O2 Sensor Signal Biased / Stuck Lean (Bank 1, Sensor 2)Bank 1 is where the #1 spark plug is. O2 sensor 1/1 is the upstream sensor on Bank 1 (different for a Ford than for a Chevy or a Dodge), and O2 sensor 1/2 is the downstream sensor on Bank 1. O2 2/1 is upstream on Bank 2 and O2
P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)With that in mind, it’s important to note that Bank 1 is always where the number 1 cylinder is located. Thus, on Ford pickups, Bank 1 is the passenger side bank, but on Chevy and Dodge pickups, Bank 1 is the driver side bank. You need to know this, or
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3Bank 1 is the side of the engine where the #1 cylinder is located. P0042 code is set when your car’s PCM determines a potential problem with the heater element circuit of the oxygen sensor.
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)Diagnostic trouble code (DTC) P0135 stands for “Oxygen O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1).” It is set when the car’s primary computer—also called the powertrain control module or PCM—determines that the heated oxygen sensor (HO2S) 1 heater current is higher or lower than the ideal amp for
P0134: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)The Bank 1 portion of the code refers to the side of the engine with the number one cylinder. Sensor 1 refers to the upstream O2 sensor.