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2013 Hyundai Elantra
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2013 Hyundai Elantra Oxygen Sensors

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Before Catalytic Converter Oxygen Sensor, Naturally Aspirated, GAS, Non Calif-ESV, B1S1, Sold individually, 5-wire, 4 Cyl 1.8L
DriveWire
Before Catalytic Converter Oxygen Sensor, Naturally Aspirated, GAS, Non Calif-ESV, B1S1, Sold individually, 5-wire, 4 Cyl 1.8L
Part Number: REPA960912
Guaranteed to Fit
$56.49
Vehicle Fitment
  • 2013 Hyundai Elantra GLS 4 Cyl 1.8L Naturally Aspirated, GAS, Non Calif-ESV, B1S1
  • 2013 Hyundai Elantra Limited 4 Cyl 1.8L Naturally Aspirated, GAS, Non Calif-ESV, B1S1
  • 2013 Hyundai Elantra L 4 Cyl 1.8L Naturally Aspirated, GAS, Non Calif-ESV, B1S1
  • 2013 Hyundai Elantra GL 4 Cyl 1.8L Naturally Aspirated, GAS, Non Calif-ESV, B1S1
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-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 : 25025049Connector 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
After Catalytic Converter Oxygen Sensor, B1S2; California-Esv, Sold individually, 4-wire, 4 Cyl 1.8L, Walker Products Original Equipment Base Sensor - After Catalytic Converter
Walker Products®
After Catalytic Converter Oxygen Sensor, B1S2; California-Esv, Sold individually, 4-wire, 4 Cyl 1.8L, Walker Products Original Equipment Base Sensor - After Catalytic Converter
Part Number: WKP25024988
Guaranteed to Fit
$72.49
Vehicle Fitment
  • 2013 Hyundai Elantra Limited 4 Cyl 1.8L B1S2; California-Esv
  • 2013 Hyundai Elantra GL 4 Cyl 1.8L B1S2; California-Esv
  • 2013 Hyundai Elantra L 4 Cyl 1.8L B1S2; California-Esv
  • 2013 Hyundai Elantra GLS 4 Cyl 1.8L B1S2; California-Esv
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 24.61 in. Wire LengthInterchange Part Number : DH96090006Warranty : 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
Before Catalytic Converter Oxygen Sensor, Naturally Aspirated, GAS, Non Calif-ESV, Sold individually, 5-wire, 4 Cyl 1.8L, Walker Products Aftermarket Base Sensor - Before Catalytic Converter
Walker Products®
Before Catalytic Converter Oxygen Sensor, Naturally Aspirated, GAS, Non Calif-ESV, Sold individually, 5-wire, 4 Cyl 1.8L, Walker Products Aftermarket Base Sensor - Before Catalytic Converter
Part Number: WKP35035046
Guaranteed to Fit
$100.99
Vehicle Fitment
  • 2013 Hyundai Elantra GLS 4 Cyl 1.8L Naturally Aspirated, GAS, Non Calif-ESV
  • 2013 Hyundai Elantra Limited 4 Cyl 1.8L Naturally Aspirated, GAS, Non Calif-ESV
  • 2013 Hyundai Elantra L 4 Cyl 1.8L Naturally Aspirated, GAS, Non Calif-ESV
  • 2013 Hyundai Elantra GL 4 Cyl 1.8L Naturally Aspirated, GAS, Non Calif-ESV
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 21.65 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
After Catalytic Converter Oxygen Sensor, Naturally Aspirated, GAS, Calif-ESV, Sold individually, 4-wire, 4 Cyl 1.8L, Walker Products Aftermarket Base Sensor - After Catalytic Converter
Walker Products®
After Catalytic Converter Oxygen Sensor, Naturally Aspirated, GAS, Calif-ESV, Sold individually, 4-wire, 4 Cyl 1.8L, Walker Products Aftermarket Base Sensor - After Catalytic Converter
Part Number: WKP35034081
Guaranteed to Fit
$64.99
Vehicle Fitment
  • 2013 Hyundai Elantra Limited 4 Cyl 1.8L Naturally Aspirated, GAS, Calif-ESV
  • 2013 Hyundai Elantra GL 4 Cyl 1.8L Naturally Aspirated, GAS, Calif-ESV
  • 2013 Hyundai Elantra L 4 Cyl 1.8L Naturally Aspirated, GAS, Calif-ESV
  • 2013 Hyundai Elantra GLS 4 Cyl 1.8L Naturally Aspirated, GAS, Calif-ESV
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 24.61 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
After Catalytic Converter Oxygen Sensor, Non Calif-ESV, B1S2, Sold individually, 4-wire, 4 Cyl 1.8L, Walker Products Aftermarket Base Sensor - After Catalytic Converter
Walker Products®
After Catalytic Converter Oxygen Sensor, Non Calif-ESV, B1S2, Sold individually, 4-wire, 4 Cyl 1.8L, Walker Products Aftermarket Base Sensor - After Catalytic Converter
Part Number: WKP35034652
Guaranteed to Fit
$61.25
Vehicle Fitment
  • 2013 Hyundai Elantra Limited 4 Cyl 1.8L Non Calif-ESV, B1S2
  • 2013 Hyundai Elantra L 4 Cyl 1.8L Non Calif-ESV, B1S2
  • 2013 Hyundai Elantra GLS 4 Cyl 1.8L Non Calif-ESV, B1S2
  • 2013 Hyundai Elantra GL 4 Cyl 1.8L Non Calif-ESV, B1S2
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 31.5 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
Upstream Oxygen Sensor, With California Emissions, Sold individually, 4-wire, 4 Cyl 1.8L, OE Replacement Series - Upstream
Bosch®
Upstream Oxygen Sensor, With California Emissions, Sold individually, 4-wire, 4 Cyl 1.8L, OE Replacement Series - Upstream
Part Number: BS15580
Guaranteed to Fit
$62.99
Vehicle Fitment
  • 2013 Hyundai Elantra Limited 4 Cyl 1.8L With California Emissions
  • 2013 Hyundai Elantra GL 4 Cyl 1.8L With California Emissions
  • 2013 Hyundai Elantra L 4 Cyl 1.8L With California Emissions
  • 2013 Hyundai Elantra GLS 4 Cyl 1.8L With California Emissions
Product Details
Location : UpstreamType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 29.5 in. Wire LengthInterchange Part Number : 24674Warranty : 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 EuroSeries : OE Replacement Series
Front Oxygen Sensor, Calif, Sold individually, 4-wire - Front
Facet®
Front Oxygen Sensor, Calif, Sold individually, 4-wire - Front
Part Number: FAC108262
Guaranteed to Fit
$51.99
Vehicle Fitment
  • 2013 Hyundai Elantra Limited All Engines Calif
  • 2013 Hyundai Elantra GLS All Engines Calif
Product Details
Location : FrontNotes : Switching PlanarType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 25.59 in. Wire LengthReplaces OE Number : 3921002620, 392102E401, 392102E400, 392102E410Interchange Part Number : 3921002620, 392102E401, 392102E400, 392102E410Warranty : Facet 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 Oxygen Sensor, B1S2; Non California-Esv, Sold individually, 4-wire, 4 Cyl 1.8L, Walker Products Original Equipment Base Sensor - After Catalytic Converter
Walker Products®
After Catalytic Converter Oxygen Sensor, B1S2; Non California-Esv, Sold individually, 4-wire, 4 Cyl 1.8L, Walker Products Original Equipment Base Sensor - After Catalytic Converter
Part Number: WKP25024987
Guaranteed to Fit
$71.46
Vehicle Fitment
  • 2013 Hyundai Elantra Limited 4 Cyl 1.8L B1S2; Non California-Esv
  • 2013 Hyundai Elantra L 4 Cyl 1.8L B1S2; Non California-Esv
  • 2013 Hyundai Elantra GLS 4 Cyl 1.8L B1S2; Non California-Esv
  • 2013 Hyundai Elantra GL 4 Cyl 1.8L B1S2; Non California-Esv
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 31.5 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 Original Equipment Base Sensor
After Catalytic Converter Oxygen Sensor, Exc. Calif., Sold individually, 4-wire, 4 Cyl 1.8L
Denso®
After Catalytic Converter Oxygen Sensor, Exc. Calif., Sold individually, 4-wire, 4 Cyl 1.8L
Part Number: NP2344550
Guaranteed to Fit
$99.49
Vehicle Fitment
  • 2013 Hyundai Elantra Limited 4 Cyl 1.8L Exc. Calif.
  • 2013 Hyundai Elantra L 4 Cyl 1.8L Exc. Calif.
  • 2013 Hyundai Elantra GLS 4 Cyl 1.8L Exc. Calif.
  • 2013 Hyundai Elantra GL 4 Cyl 1.8L Exc. Calif.
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitConnector Gender : Female ConnectorWarranty : 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.

Before Catalytic Converter Oxygen Sensor, With California Emissions, Sold individually, 4-wire, 4 Cyl 1.8L, Bosch Oxygen Sensor - Before Catalytic Converter
Bosch®
Before Catalytic Converter Oxygen Sensor, With California Emissions, Sold individually, 4-wire, 4 Cyl 1.8L, Bosch Oxygen Sensor - Before Catalytic Converter
Part Number: BS16150
Guaranteed to Fit
$102.99
Vehicle Fitment
  • 2013 Hyundai Elantra Limited 4 Cyl 1.8L With California Emissions
  • 2013 Hyundai Elantra L 4 Cyl 1.8L With California Emissions
  • 2013 Hyundai Elantra GLS 4 Cyl 1.8L With California Emissions
  • 2013 Hyundai Elantra GL 4 Cyl 1.8L With California Emissions
Product Details
Location : Before Catalytic ConverterNotes : Heated Sensor TypeType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 22 mm Hex SizeConnector Gender : Male ConnectorWarranty : 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 EuroSeries : Bosch Oxygen Sensor
Before Catalytic Converter Oxygen Sensor, Eng Vin: E, FI, Naturally Aspirated, GAS, B1S1, Sold individually, 4 Cyl 1.8L, OE Replacement Series - Before Catalytic Converter
Walker Products®
Before Catalytic Converter Oxygen Sensor, Eng Vin: E, FI, Naturally Aspirated, GAS, B1S1, Sold individually, 4 Cyl 1.8L, OE Replacement Series - Before Catalytic Converter
Part Number: WKP35035117
Guaranteed to Fit
$106.99
Vehicle Fitment
  • 2013 Hyundai Elantra Limited 4 Cyl 1.8L Eng Vin: E, FI, Naturally Aspirated, GAS, B1S1
  • 2013 Hyundai Elantra GL 4 Cyl 1.8L Eng Vin: E, FI, Naturally Aspirated, GAS, B1S1
  • 2013 Hyundai Elantra L 4 Cyl 1.8L Eng Vin: E, FI, Naturally Aspirated, GAS, B1S1
  • 2013 Hyundai Elantra GLS 4 Cyl 1.8L Eng Vin: E, FI, Naturally Aspirated, GAS, B1S1
Product Details
Location : Before Catalytic ConverterQuantity Sold : Sold individuallyWarranty : 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 : OE Replacement Series
Before Catalytic Converter Oxygen Sensor, Naturally Aspirated, GAS, Non Calif-ESV, B1S1, Sold individually, 5-wire, 4 Cyl 1.8L, Walker Products Original Equipment Base Sensor - Before Catalytic Converter
Walker Products®
Before Catalytic Converter Oxygen Sensor, Naturally Aspirated, GAS, Non Calif-ESV, B1S1, Sold individually, 5-wire, 4 Cyl 1.8L, Walker Products Original Equipment Base Sensor - Before Catalytic Converter
Part Number: WKP25025049
Guaranteed to Fit
$94.37
Vehicle Fitment
  • 2013 Hyundai Elantra GLS 4 Cyl 1.8L Naturally Aspirated, GAS, Non Calif-ESV, B1S1
  • 2013 Hyundai Elantra Limited 4 Cyl 1.8L Naturally Aspirated, GAS, Non Calif-ESV, B1S1
  • 2013 Hyundai Elantra L 4 Cyl 1.8L Naturally Aspirated, GAS, Non Calif-ESV, B1S1
  • 2013 Hyundai Elantra GL 4 Cyl 1.8L Naturally Aspirated, GAS, Non Calif-ESV, B1S1
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 21.65 in. Wire LengthInterchange Part Number : REPA960912Warranty : 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
Before Catalytic Converter Oxygen Sensor, Eng Vin: E, FI, Naturally Aspirated, GAS, B1S1, Sold individually, 4 Cyl 1.8L - Before Catalytic Converter
Walker Products®
Before Catalytic Converter Oxygen Sensor, Eng Vin: E, FI, Naturally Aspirated, GAS, B1S1, Sold individually, 4 Cyl 1.8L - Before Catalytic Converter
Part Number: WKP25025166
Guaranteed to Fit
$114.49
Vehicle Fitment
  • 2013 Hyundai Elantra Limited 4 Cyl 1.8L Eng Vin: E, FI, Naturally Aspirated, GAS, B1S1
  • 2013 Hyundai Elantra GL 4 Cyl 1.8L Eng Vin: E, FI, Naturally Aspirated, GAS, B1S1
  • 2013 Hyundai Elantra L 4 Cyl 1.8L Eng Vin: E, FI, Naturally Aspirated, GAS, B1S1
  • 2013 Hyundai Elantra GLS 4 Cyl 1.8L Eng Vin: E, FI, Naturally Aspirated, GAS, B1S1
Product Details
Location : Before Catalytic ConverterQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 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.

Before Catalytic Converter Oxygen Sensor, Naturally Aspirated, GAS, Calif-ESV, Sold individually, 5-wire, 4 Cyl 1.8L, Walker Products Aftermarket Base Sensor - Before Catalytic Converter
Walker Products®
Before Catalytic Converter Oxygen Sensor, Naturally Aspirated, GAS, Calif-ESV, Sold individually, 5-wire, 4 Cyl 1.8L, Walker Products Aftermarket Base Sensor - Before Catalytic Converter
Part Number: WKP35035040
Guaranteed to Fit
$72.99
Vehicle Fitment
  • 2013 Hyundai Elantra GLS 4 Cyl 1.8L Naturally Aspirated, GAS, Calif-ESV
  • 2013 Hyundai Elantra Limited 4 Cyl 1.8L Naturally Aspirated, GAS, Calif-ESV
  • 2013 Hyundai Elantra L 4 Cyl 1.8L Naturally Aspirated, GAS, Calif-ESV
  • 2013 Hyundai Elantra GL 4 Cyl 1.8L Naturally Aspirated, GAS, Calif-ESV
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15.75 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, California Emissions, Sold individually, 5-wire, 4 Cyl 1.8L - Before Catalytic Converter
NTK®
Before Catalytic Converter Oxygen Sensor, California Emissions, Sold individually, 5-wire, 4 Cyl 1.8L - Before Catalytic Converter
Part Number: NG24325
Guaranteed to Fit
$83.49
Vehicle Fitment
  • 2013 Hyundai Elantra GLS 4 Cyl 1.8L California Emissions
  • 2013 Hyundai Elantra Limited 4 Cyl 1.8L California Emissions
  • 2013 Hyundai Elantra L 4 Cyl 1.8L California Emissions
  • 2013 Hyundai Elantra GL 4 Cyl 1.8L California Emissions
Product Details
Location : Before Catalytic ConverterNotes : 0.38 in. Thread Length; Heated Sensor TypeType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15.8 in. wire lengthThread Size : 18 mm Thread SizeMounting Style : Non-flanged Mounting StyleWarranty : 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.

Page 1 of 3 | Showing 1 - 15 of 37 results

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DriveWire Before Catalytic Converter, Oxygen Sensor, 5-Wire, Wideband Sensor
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Walker Products Oxygen Sensor, Sold individually, 4-wire, Walker Products Aftermarket Base Sensor
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fit 2020 elantra sel. Fixed code PO420 when i replaced both sensors.
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Popular Products

Product Questions & Answers

NTK Before Catalytic Converter Oxygen Sensor, California Emissions, Sold individually, 5-wire, 4 Cyl 1.8L - Before Catalytic Converter
$83.49
Q:Is this a downstream oxygen sensor and will this part  fit a 2019 Kia forte S? Show Less
Linwood B.
A:BEST ANSWERHi Linwood, thank you for reaching out. This item fits the 2019 Kia Forte S. This item is the upstream oxygen sensor for the 2019 Kia Forte S. Per checking, we don't have a downstream oxygen sensor for your car. Should you also need this part, you can use this link to continue ordering the part at a discounted price today: https://www.carparts.com/oxygen-sensor/ntk/ng24325?can=CPAP3648_CSQA_20230509 I hope this helps. Happy shopping. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >

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.