2018 Toyota Sequoia Oxygen Sensors

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Passenger Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, FLEX, To 08/2017, Sold Individually, 4-wire, 5.7L
DriveWire
Passenger Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, FLEX, To 08/2017, Sold Individually, 4-wire, 5.7L
Part Number: REPT960927
Guaranteed to Fit
$14.56
Vehicle Fitment
  • 2018 Toyota Sequoia Limited 8 Cyl 5.7L FI, Naturally Aspirated, GAS, To 08/2017
  • 2018 Toyota Sequoia TRD Sport 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, To 08/2017
  • 2018 Toyota Sequoia Platinum 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, To 08/2017
  • 2018 Toyota Sequoia SR5 8 Cyl 5.7L FI, Naturally Aspirated, GAS, To 08/2017
Product Details
Location : Passenger Side, After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 18.9 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeReplaces OE Number : 8946504280Interchange Part Number : 25024305, 8946504280Connector 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.

Deals : OverstockReturns Policy : 30-Day Return Policy
Before Catalytic Converter Oxygen Sensor, 4-wire
DriveWire
Before Catalytic Converter Oxygen Sensor, 4-wire
Part Number: RT31870002
Guaranteed to Fit
$29.99
Vehicle Fitment
  • 2018 Toyota Sequoia Limited 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017; To 08/2017
  • 2018 Toyota Sequoia TRD Sport 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017; To 08/2017
  • 2018 Toyota Sequoia Platinum 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017; To 08/2017
  • 2018 Toyota Sequoia SR5 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017; To 08/2017
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 4.45 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25054085Connector 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
Driver Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, FLEX, To 08/2017, Sold Individually, 4-wire, 5.7L
DriveWire
Driver Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, FLEX, To 08/2017, Sold Individually, 4-wire, 5.7L
Part Number: DT96090003
Guaranteed to Fit
$12.08
Vehicle Fitment
  • 2018 Toyota Sequoia Limited 8 Cyl 5.7L FI, Naturally Aspirated, GAS, To 08/2017
  • 2018 Toyota Sequoia TRD Sport 8 Cyl 5.7L FI, Naturally Aspirated, GAS, To 08/2017
  • 2018 Toyota Sequoia Platinum 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, To 08/2017
  • 2018 Toyota Sequoia SR5 8 Cyl 5.7L FI, Naturally Aspirated, GAS, To 08/2017
Product Details
Location : Driver Side, After Catalytic ConverterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitThread Size : M18Mounting Style : Threaded-inInterchange Part Number : 25024344Connector Gender : MaleWarranty : 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
Passenger Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, GAS, To 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Original Equipment Base Sensor - Passenger Side, After Catalytic Converter
Walker Products®
Passenger Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, GAS, To 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Original Equipment Base Sensor - Passenger Side, After Catalytic Converter
Part Number: 25024305
Guaranteed to Fit
$59.49
Vehicle Fitment
  • 2018 Toyota Sequoia Limited 8 Cyl 5.7L FI, Naturally Aspirated, GAS, To 08/2017
  • 2018 Toyota Sequoia TRD Sport 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, To 08/2017
  • 2018 Toyota Sequoia Platinum 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, To 08/2017
  • 2018 Toyota Sequoia SR5 8 Cyl 5.7L FI, Naturally Aspirated, GAS, To 08/2017
Product Details
Location : Passenger Side, After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 18.9 in. Wire LengthInterchange Part Number : REPT960927Warranty : 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
Driver Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, GAS, From 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Aftermarket Base Sensor - Driver Side, After Catalytic Converter
Walker Products®
Driver Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, GAS, From 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Aftermarket Base Sensor - Driver Side, After Catalytic Converter
Part Number: WKP35034269
Guaranteed to Fit
$41.99
Vehicle Fitment
  • 2018 Toyota Sequoia Limited 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017
  • 2018 Toyota Sequoia TRD Sport 8 Cyl 5.7L FI, Naturally Aspirated, GAS, From 08/2017
  • 2018 Toyota Sequoia Platinum 8 Cyl 5.7L FI, Naturally Aspirated, GAS, From 08/2017
  • 2018 Toyota Sequoia SR5 8 Cyl 5.7L FI, Naturally Aspirated, GAS, From 08/2017
Product Details
Location : Driver Side, After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 13.78 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 Sensor
Oxygen Sensor, Sold Individually, 4-wire
Denso®
Oxygen Sensor, Sold Individually, 4-wire
Part Number: NP2349145
Guaranteed to Fit
$205.99
Vehicle Fitment
  • 2018 Toyota Sequoia Limited 8 Cyl 5.7L
  • 2018 Toyota Sequoia TRD Sport 8 Cyl 5.7L
  • 2018 Toyota Sequoia Platinum 8 Cyl 5.7L
  • 2018 Toyota Sequoia SR5 8 Cyl 5.7L
Product Details
Location : Before Catalytic ConverterNotes : Heated Sensor TypeType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 7.40 in. Wire LengthWarranty : 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.

Driver Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, FLEX, To 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Original Equipment Base Sensor - Driver Side, After Catalytic Converter
Walker Products®
Driver Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, FLEX, To 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Original Equipment Base Sensor - Driver Side, After Catalytic Converter
Part Number: WKP25024344
Guaranteed to Fit
$82.99
Vehicle Fitment
  • 2018 Toyota Sequoia Limited 8 Cyl 5.7L FI, Naturally Aspirated, GAS, To 08/2017
  • 2018 Toyota Sequoia TRD Sport 8 Cyl 5.7L FI, Naturally Aspirated, GAS, To 08/2017
  • 2018 Toyota Sequoia Platinum 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, To 08/2017
  • 2018 Toyota Sequoia SR5 8 Cyl 5.7L FI, Naturally Aspirated, GAS, To 08/2017
Product Details
Location : Driver Side, After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 9.84 in. Wire LengthInterchange Part Number : DT96090003Warranty : 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
Driver Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, FLEX, From 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Original Equipment Base Sensor - Driver Side, After Catalytic Converter
Walker Products®
Driver Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, FLEX, From 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Original Equipment Base Sensor - Driver Side, After Catalytic Converter
Part Number: WKP25024906
Guaranteed to Fit
$55.99
Vehicle Fitment
  • 2018 Toyota Sequoia Limited 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017
  • 2018 Toyota Sequoia TRD Sport 8 Cyl 5.7L FI, Naturally Aspirated, GAS, From 08/2017
  • 2018 Toyota Sequoia Platinum 8 Cyl 5.7L FI, Naturally Aspirated, GAS, From 08/2017
  • 2018 Toyota Sequoia SR5 8 Cyl 5.7L FI, Naturally Aspirated, GAS, From 08/2017
Product Details
Location : Driver Side, After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 13.78 in. Wire LengthInterchange Part Number : DL96090009Warranty : 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
Driver Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, FLEX, To 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Aftermarket Base Sensor - Driver Side, After Catalytic Converter
Walker Products®
Driver Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, FLEX, To 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Aftermarket Base Sensor - Driver Side, After Catalytic Converter
Part Number: WKP35034479
Guaranteed to Fit
$54.99
Vehicle Fitment
  • 2018 Toyota Sequoia Limited 8 Cyl 5.7L FI, Naturally Aspirated, GAS, To 08/2017
  • 2018 Toyota Sequoia TRD Sport 8 Cyl 5.7L FI, Naturally Aspirated, GAS, To 08/2017
  • 2018 Toyota Sequoia Platinum 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, To 08/2017
  • 2018 Toyota Sequoia SR5 8 Cyl 5.7L FI, Naturally Aspirated, GAS, To 08/2017
Product Details
Location : Driver Side, After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 9.84 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 Sensor
Passenger Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, GAS, To 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Aftermarket Base Sensor - Passenger Side, After Catalytic Converter
Walker Products®
Passenger Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, GAS, To 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Aftermarket Base Sensor - Passenger Side, After Catalytic Converter
Part Number: WKP35034009
Guaranteed to Fit
$56.99
Vehicle Fitment
  • 2018 Toyota Sequoia Limited 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, To 08/2017
  • 2018 Toyota Sequoia TRD Sport 8 Cyl 5.7L FI, Naturally Aspirated, GAS, To 08/2017
  • 2018 Toyota Sequoia Platinum 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, To 08/2017
  • 2018 Toyota Sequoia SR5 8 Cyl 5.7L FI, Naturally Aspirated, GAS, To 08/2017
Product Details
Location : Passenger Side, After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 18.88 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 Sensor
Before Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, GAS, From 08/2017; To 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Aftermarket Base Sensor - Before Catalytic Converter
Walker Products®
Before Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, GAS, From 08/2017; To 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Aftermarket Base Sensor - Before Catalytic Converter
Part Number: WKP35064006
Guaranteed to Fit
$91.99
Vehicle Fitment
  • 2018 Toyota Sequoia Limited 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017; To 08/2017
  • 2018 Toyota Sequoia TRD Sport 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017; To 08/2017
  • 2018 Toyota Sequoia Platinum 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017; To 08/2017
  • 2018 Toyota Sequoia SR5 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017; To 08/2017
Product Details
Location : Before Catalytic ConverterNotes : Air/Fuel sensorType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 6.89 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 Sensor
Passenger Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, FLEX, From 08/2017, Sold individually, 5.7L
Walker Products®
Passenger Side, After Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, FLEX, From 08/2017, Sold individually, 5.7L
Part Number: WKP250241264
Guaranteed to Fit
$99.49
Vehicle Fitment
  • 2018 Toyota Sequoia Limited 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017
  • 2018 Toyota Sequoia TRD Sport 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017
  • 2018 Toyota Sequoia SR5 8 Cyl 5.7L FI, Naturally Aspirated, GAS, From 08/2017
  • 2018 Toyota Sequoia Platinum 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017
Product Details
Location : Passenger Side, After Catalytic ConverterQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel and Nickel Alloyed Stainless Steel, which are 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.

Driver Side, After Catalytic Converter Oxygen Sensor, Sold Individually, 5.7L 8Cyl
Denso®
Driver Side, After Catalytic Converter Oxygen Sensor, Sold Individually, 5.7L 8Cyl
Part Number: NP2348075
Guaranteed to Fit
$105.49
Vehicle Fitment
  • 2018 Toyota Sequoia Platinum 8 Cyl 5.7L
  • 2018 Toyota Sequoia Limited 8 Cyl 5.7L
  • 2018 Toyota Sequoia TRD Sport 8 Cyl 5.7L
  • 2018 Toyota Sequoia SR5 8 Cyl 5.7L
Product Details
Location : Driver Side, After Catalytic ConverterNotes : (4) Wire Quantity; 10.75 in. Wire Harness Length; 0.71 in. Thread Diameter; Heated Sensor TypeQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWarranty : 1-year or 12,000-mile 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.

Before Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, FLEX, From 08/2017; To 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Original Equipment Base Sensor - Before Catalytic Converter
Walker Products®
Before Catalytic Converter Oxygen Sensor, FI, Naturally Aspirated, FLEX, From 08/2017; To 08/2017, Sold individually, 4-wire, 5.7L, Walker Products Original Equipment Base Sensor - Before Catalytic Converter
Part Number: WKP25054085
Guaranteed to Fit
$144.49
Vehicle Fitment
  • 2018 Toyota Sequoia Limited 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017; To 08/2017
  • 2018 Toyota Sequoia TRD Sport 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017; To 08/2017
  • 2018 Toyota Sequoia Platinum 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017; To 08/2017
  • 2018 Toyota Sequoia SR5 8 Cyl 5.7L FI, Naturally Aspirated, FLEX, From 08/2017; To 08/2017
Product Details
Location : Before Catalytic ConverterNotes : Air/Fuel sensorType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 6.89 in. Wire LengthInterchange Part Number : RT31870002Warranty : 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
Bosch®
OE Replacement Series Oxygen Sensor, Sold individually 4-wire
Part Number: BS15974
Guaranteed to Fit
$186.99
Vehicle Fitment
  • 2018 Toyota Sequoia Limited 8 Cyl 5.7L
  • 2018 Toyota Sequoia TRD Sport 8 Cyl 5.7L
  • 2018 Toyota Sequoia Platinum 8 Cyl 5.7L
  • 2018 Toyota Sequoia SR5 8 Cyl 5.7L
Product Details
Location : Before Catalytic Converter, Driver or Passenger SideType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 15.9 in. Wire LengthInterchange Part Number : OS6205Warranty : 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 : CarParts EuroEcomm Landing Page : EuroSeries : OE Replacement Series
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Helpful Automotive Resources

P2187 Code: System too Lean at Idle (Bank 1)
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)
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)
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 3
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)
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)
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.