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2014 Jeep Grand Cherokee
2014 Jeep Grand Cherokee Oxygen Sensors
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Part Number: ARBJ960903
Guaranteed to Fit
$27.64
Vehicle Fitment
- 2014 Jeep Grand Cherokee Laredo 6 Cyl 3.6L B2S1; B2S2
- 2014 Jeep Grand Cherokee Overland 6 Cyl 3.6L B2S1; B2S2
- 2014 Jeep Grand Cherokee Summit 6 Cyl 3.6L B2S1; B2S2
- 2014 Jeep Grand Cherokee Limited 6 Cyl 3.6L B2S1; B2S2
- 2014 Jeep Grand Cherokee SRT 8 Cyl 6.4L B1S1; B2S1; B2S2
Product Details
Location : Before Catalytic Converter, Passenger Side - After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 13.31 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024253Connector Gender : Female 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: RD96090004
Guaranteed to Fit
$21.00
Vehicle Fitment
- 2014 Jeep Grand Cherokee Laredo 6 Cyl 3.6L B1S1; B1S2
- 2014 Jeep Grand Cherokee Summit 6 Cyl 3.6L B1S1; B1S2
- 2014 Jeep Grand Cherokee Overland 8 Cyl 5.7L B1S1; B1S2; B2S1; B2S2
- 2014 Jeep Grand Cherokee Limited 6 Cyl 3.6L B1S1; B1S2
- 2014 Jeep Grand Cherokee Summit 8 Cyl 5.7L B1S1; B1S2; B2S1; B2S2
- 2014 Jeep Grand Cherokee SRT 8 Cyl 6.4L B1S2
- 2014 Jeep Grand Cherokee Limited 8 Cyl 5.7L B1S1; B1S2; B2S1; B2S2
- 2014 Jeep Grand Cherokee Overland 6 Cyl 3.6L B1S1; B1S2
Product Details
Location : Passenger Side - Before or After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.8 in. Wire LengthInterchange Part Number : 25024680Warranty : 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-ARBJ960903-2
Guaranteed to Fit
$46.99
Vehicle Fitment
- 2014 Jeep Grand Cherokee Laredo 6 Cyl 3.6L B2S1; B2S2, FI, Naturally Aspirated, FLEX
- 2014 Jeep Grand Cherokee Summit 6 Cyl 3.6L B2S1; B2S2, FI, Naturally Aspirated, FLEX
- 2014 Jeep Grand Cherokee Limited 6 Cyl 3.6L B2S1; B2S2, FI, Naturally Aspirated, FLEX
- 2014 Jeep Grand Cherokee SRT 8 Cyl 6.4L B1S1; B2S1; B2S2, FI, Naturally Aspirated, GAS
- 2014 Jeep Grand Cherokee Overland 6 Cyl 3.6L B2S1; B2S2, FI, Naturally Aspirated, FLEX
Product Details
Location : Before and After Catalytic Converter, Driver SideComponents : (2) Oxygen SensorsType : 4-wireQuantity Sold : Set of 2Product Fit : Direct FitWire Length : 13.31 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeConnector Gender : Female 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-ARBJ960903-4
Guaranteed to Fit
$94.49
Vehicle Fitment
- 2014 Jeep Grand Cherokee Laredo 6 Cyl 3.6L B2S1; B2S2, FI, Naturally Aspirated, FLEX
- 2014 Jeep Grand Cherokee Summit 6 Cyl 3.6L B2S1; B2S2, FI, Naturally Aspirated, FLEX
- 2014 Jeep Grand Cherokee Overland 6 Cyl 3.6L B2S1; B2S2, FI, Naturally Aspirated, FLEX
- 2014 Jeep Grand Cherokee Limited 6 Cyl 3.6L B2S1; B2S2, FI, Naturally Aspirated, FLEX
Product Details
Location : Driver Side - Befande and After Catalytic ConverterComponents : (4) Oxygen SensorsType : 4-wireQuantity Sold : Set of 4Product Fit : Direct FitWire Length : 13.31 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeConnector Gender : Female 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-RD96090004-4
Guaranteed to Fit
$61.49
Vehicle Fitment
- 2014 Jeep Grand Cherokee Laredo 6 Cyl 3.6L B1S1; B1S2
- 2014 Jeep Grand Cherokee Summit 6 Cyl 3.6L B1S1; B1S2
- 2014 Jeep Grand Cherokee Limited 6 Cyl 3.6L B1S1; B1S2
- 2014 Jeep Grand Cherokee SRT 8 Cyl 6.4L B1S2
- 2014 Jeep Grand Cherokee Overland 6 Cyl 3.6L B1S1; B1S2
Product Details
Location : Before and After Catalytic Converter, Driver and Passenger SideType : 4-wireQuantity Sold : Set of 4Product Fit : Direct FitWarranty : 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: WKP35034039
Guaranteed to Fit
$29.49
Vehicle Fitment
- 2014 Jeep Grand Cherokee Laredo 6 Cyl 3.6L Eng. Designation: ERB, Eng. VIN: G, FI, Naturally Aspirated, FLEX
- 2014 Jeep Grand Cherokee Overland 6 Cyl 3.6L Eng. Designation: ERB, Eng. VIN: G, FI, Naturally Aspirated, FLEX
- 2014 Jeep Grand Cherokee Summit 6 Cyl 3.6L Eng. Designation: ERB, Eng. VIN: G, FI, Naturally Aspirated, FLEX
- 2014 Jeep Grand Cherokee Limited 6 Cyl 3.6L Eng. Designation: ERB, Eng. VIN: G, FI, Naturally Aspirated, FLEX
- 2014 Jeep Grand Cherokee SRT 8 Cyl 6.4L Eng. Designation: ESG, Eng. VIN: J, FI, Naturally Aspirated, GAS
Product Details
Location : Before or After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15.75 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: WKP35034213
Guaranteed to Fit
$30.49
Vehicle Fitment
- 2014 Jeep Grand Cherokee Laredo 6 Cyl 3.6L Eng. Designation: ERB, Eng. VIN: G, FI, Naturally Aspirated, FLEX
- 2014 Jeep Grand Cherokee Summit 6 Cyl 3.6L Eng. Designation: ERB, Eng. VIN: G, FI, Naturally Aspirated, FLEX
- 2014 Jeep Grand Cherokee Overland 8 Cyl 5.7L Eng. Designation: EZH, Eng. VIN: T, FI, Naturally Aspirated, GAS
- 2014 Jeep Grand Cherokee Limited 6 Cyl 3.6L Eng. Designation: ERB, Eng. VIN: G, FI, Naturally Aspirated, FLEX
- 2014 Jeep Grand Cherokee Summit 8 Cyl 5.7L Eng. Designation: EZH, Eng. VIN: T, FI, Naturally Aspirated, GAS
- 2014 Jeep Grand Cherokee SRT 8 Cyl 6.4L Eng. Designation: ESG, Eng. VIN: J, FI, Naturally Aspirated, GAS
- 2014 Jeep Grand Cherokee Limited 8 Cyl 5.7L Eng. Designation: EZH, Eng. VIN: T, FI, Naturally Aspirated, GAS
- 2014 Jeep Grand Cherokee Overland 6 Cyl 3.6L Eng. Designation: ERB, Eng. VIN: G, FI, Naturally Aspirated, FLEX
Product Details
Location : Passenger Side, Before or After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.8 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: 25024680
Guaranteed to Fit
$38.99
Vehicle Fitment
- 2014 Jeep Grand Cherokee Laredo 6 Cyl 3.6L B1S1; B1S2
- 2014 Jeep Grand Cherokee Summit 6 Cyl 3.6L B1S1; B1S2
- 2014 Jeep Grand Cherokee Overland 8 Cyl 5.7L B1S1; B1S2; B2S1; B2S2
- 2014 Jeep Grand Cherokee Limited 6 Cyl 3.6L B1S1; B1S2
- 2014 Jeep Grand Cherokee Summit 8 Cyl 5.7L B1S1; B1S2; B2S1; B2S2
- 2014 Jeep Grand Cherokee SRT 8 Cyl 6.4L B1S2
- 2014 Jeep Grand Cherokee Limited 8 Cyl 5.7L B1S1; B1S2; B2S1; B2S2
- 2014 Jeep Grand Cherokee Overland 6 Cyl 3.6L B1S1; B1S2
Product Details
Location : Passenger Side - Before or After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.8 in. Wire LengthInterchange Part Number : RD96090004Warranty : 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: 25024253
Guaranteed to Fit
$39.49
Vehicle Fitment
- 2014 Jeep Grand Cherokee Laredo 6 Cyl 3.6L B2S1; B2S2
- 2014 Jeep Grand Cherokee Overland 6 Cyl 3.6L B2S1; B2S2
- 2014 Jeep Grand Cherokee Summit 6 Cyl 3.6L B2S1; B2S2
- 2014 Jeep Grand Cherokee Limited 6 Cyl 3.6L B2S1; B2S2
- 2014 Jeep Grand Cherokee SRT 8 Cyl 6.4L B1S1; B2S1; B2S2
Product Details
Location : Before Catalytic Converter, Passenger Side - After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15.75 in. Wire LengthInterchange Part Number : ARBJ960903Warranty : 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: NP2344545
Guaranteed to Fit
$41.99
Vehicle Fitment
- 2014 Jeep Grand Cherokee Laredo 6 Cyl 3.6L O.E. Quality Replacement Sensor
- 2014 Jeep Grand Cherokee Summit 6 Cyl 3.6L O.E. Quality Replacement Sensor
- 2014 Jeep Grand Cherokee Overland 8 Cyl 5.7L O.E. Quality Replacement Sensor
- 2014 Jeep Grand Cherokee Limited 6 Cyl 3.6L O.E. Quality Replacement Sensor
- 2014 Jeep Grand Cherokee Summit 8 Cyl 5.7L O.E. Quality Replacement Sensor
- 2014 Jeep Grand Cherokee SRT 8 Cyl 6.4L O.E. Quality Replacement Sensor
- 2014 Jeep Grand Cherokee Limited 8 Cyl 5.7L O.E. Quality Replacement Sensor
- 2014 Jeep Grand Cherokee Overland 6 Cyl 3.6L O.E. Quality Replacement Sensor
Product Details
Location : Before or After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 18125Connector Gender : Female ConnectorWarranty : 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: NP2344547
Guaranteed to Fit
$35.99
Vehicle Fitment
- 2014 Jeep Grand Cherokee Laredo 6 Cyl 3.6L O.E. Quality Replacement Sensor
- 2014 Jeep Grand Cherokee Summit 6 Cyl 3.6L O.E. Quality Replacement Sensor
- 2014 Jeep Grand Cherokee Limited 6 Cyl 3.6L O.E. Quality Replacement Sensor
- 2014 Jeep Grand Cherokee SRT 8 Cyl 6.4L O.E. Quality Replacement Sensor
- 2014 Jeep Grand Cherokee Overland 6 Cyl 3.6L O.E. Quality Replacement Sensor
Product Details
Location : Before or After Catalytic Converter, Driver SideNotes : Heated Sensor TypeType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 14.17 in. Wire LengthThread Size : 0.71 in. Thread SizeMounting Style : Threaded-in Mounting StyleConnector Gender : Female ConnectorWarranty : 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: WKP35035089
Guaranteed to Fit
$103.49
Vehicle Fitment
- 2014 Jeep Grand Cherokee Overland 6 Cyl 3.0L Eng. Designation: EXF, Eng. VIN: M, FI, Turbocharged, DIESEL
- 2014 Jeep Grand Cherokee Summit 6 Cyl 3.0L Eng. Designation: EXF, Eng. VIN: M, FI, Turbocharged, DIESEL
- 2014 Jeep Grand Cherokee Limited 6 Cyl 3.0L Eng. Designation: EXF, Eng. VIN: M, FI, Turbocharged, DIESEL
Product Details
Location : Before Catalytic ConverterNotes : 20 ga. Wire Measurement; 32.6 in. Overall Length; Heated Sensor TypeType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 28.07 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleConnector Gender : Male ConnectorConnector Shape : Radiused Polygon Connector ShapeWarranty : 90-day Walker Products limited warrantyProp 65 Warning :
WARNING: This product can expose you to chemicals including Nickel (Metallic), 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: NG23161
Guaranteed to Fit
$41.49
Vehicle Fitment
- 2014 Jeep Grand Cherokee Laredo 6 Cyl 3.6L
- 2014 Jeep Grand Cherokee Summit 6 Cyl 3.6L
- 2014 Jeep Grand Cherokee Limited 6 Cyl 3.6L
- 2014 Jeep Grand Cherokee SRT 8 Cyl 6.4L
- 2014 Jeep Grand Cherokee Overland 6 Cyl 3.6L
Product Details
Location : Driver Side, Before or After Catalytic ConverterNotes : Heated Sensor TypeType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 14 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleWarranty : NGK 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: Z8YV33760002
Guaranteed to Fit
$65.99
Vehicle Fitment
- 2014 Jeep Grand Cherokee Laredo 6 Cyl 3.6L
- 2014 Jeep Grand Cherokee Summit 6 Cyl 3.6L
- 2014 Jeep Grand Cherokee Limited 6 Cyl 3.6L
- 2014 Jeep Grand Cherokee SRT 8 Cyl 6.4L
- 2014 Jeep Grand Cherokee Overland 6 Cyl 3.6L
Product Details
Location : Before or After Catalytic Converter, Driver SideNotes : (4) Pole Quantity; 90 mm Height; 50 mm Length; 125 mm WidthQuantity Sold : Sold individuallyProduct Fit : Direct FitReplaces OE Number : 4727446AC, 4727446AD, 5033500AA, 5035500AA, 5149169AA, 5149171AA, 5149171AB, 56028584AA, 56028765AA, 56028992AA, 56028998AA, 56028999AB, 56029049AA, 56029049AB, 56030110AA, 56041698AA, 56041730AA, 56044627AA, 56044652AA, 68066160AAInterchange Part Number : 4727446AC, 4727446AD, 5033500AA, 5035500AA, 5149169AA, 5149171AA, 5149171AB, 56028584AA, 56028765AA, 56028992AA, 56028998AA, 56028999AB, 56029049AA, 56029049AB, 56030110AA, 56041698AA, 56041730AA, 56044627AA, 56044652AA, 68066160AAWarranty : 24-month or 24,000-mile Vemo 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: BS15510
Guaranteed to Fit
$56.99
Vehicle Fitment
- 2014 Jeep Grand Cherokee Laredo 6 Cyl 3.6L
- 2014 Jeep Grand Cherokee Overland 6 Cyl 3.6L
- 2014 Jeep Grand Cherokee Summit 6 Cyl 3.6L
- 2014 Jeep Grand Cherokee Limited 6 Cyl 3.6L
- 2014 Jeep Grand Cherokee SRT 8 Cyl 6.4L
Product Details
Location : Before Catalytic Converter, Passenger Side - After Catalytic ConverterNotes : Heated Sensor TypeType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 13.2 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 22 mm Hex SizeConnector Gender : Female ConnectorWarranty : 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.
Page 1 of 3 | Showing 1 - 15 of 38 results
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Walker ProductsWalker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wireManufacturer #350-34039
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WALKER PRODUCTS AFTERMARKET OXYGEN SENSORS
Restore your ride to optimum, OE-standard performance with the high-quality, fuel-efficient and ultra-durable design of Walker Products’ aftermarket oxygen sensors. They’re just the ticket if you&rs...
DriveWireDriver Side - Before or After Catalytic Converter Oxygen Sensor, 4-wire, 6 Cylinder, 3.6L Engine, B2S1; B2S2Manufacturer #ARBJ960903
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DRIVEWIRE OXYGEN SENSORS
No matter where the road leads you, DriveWire oxygen sensors are along for the ride, providing reliable feedback to your vehicle’s onboard control system.
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JC WhitneyBefore Catalytic Converter, Passenger Side - After Catalytic Converter Oxygen Sensor, 4-wire, 8 Cylinder, 6.4L Engine, B1S1; B2S1; B2S2Manufacturer #JARBJ960903
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Customize your Car, Truck and SUVs with JC Whitney premium quality parts; express your love to your ride in style with this affordable option that every enthusiast will enjoy! Worry-free purchases guaranteed with JC Whitney products; every purchase is backed by 1-year, unlim...
BoschOE Replacement Series Oxygen Sensor, Sold individually 4-wireManufacturer #15510
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Bosch invented the automotive oxygen sensor and is the number one choice of vehicle manufacturers around the world. Properly functioning oxygen sensors are important when it comes to your vehicles fuel efficiency and reducing harmful exhaust emissions.
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HolleyOxygen Sensor, Sold individuallyManufacturer #554-101
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HOLLEY OXYGEN SENSOR
Expertly crafted and tested to top-grade, OE-specific standards, Holley Oxygen Sensor provides high quality performance without the high level price. Its OE-standard design provides the right fit and the right solution to your vehicle need...
Product Questions & Answers
Q:Is this part returnable if it does not work?
Barbara
A:BEST ANSWERHi Barbara, thanks for initiating contact. Yes. We allow 30 days to return parts that don’t fit your needs. You can learn more about it here:https://www.carparts.com/customer/returnpolicy
If your vehicle information matches this product, use the link below to order while the part is in stock. Your order will come with a 30-day post-purchase price match guarantee. Enjoy shopping!
https://www.carparts.com/oxygen-sensor/vemo/z8yv33760002?can=CPGG4850_CSQA_20240923 Show less
Grace G.
3 Questions, 1 AnswerView all Q&As >
Q:Hi. Are these upstream or downstream for 2010 ram 1500 5.7l trx4?
Doug W.
A:BEST ANSWERHi Doug, I'm glad to assist you. This one is a wideband heated type for the upstream and downstream driver or passenger side location. You will order 4 pieces of this part. You can change the quantity after adding it to the cart. Please click the link below to order this part today and take advantage of our Memorial day sale price. I hope this helps. Happy shopping.
https://www.carparts.com/oxygen-sensor/bosch/bs15510?can=CPJE1043 Show less
Jeonino E.
5 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.