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2009 GMC Sierra 1500 Oxygen Sensor

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2009 GMC Sierra 1500
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Oxygen Sensors
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24 Products found

9 Q&A for Oxygen Sensor Repair
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  • OEM 2009 GMC Sierra 1500 Front Oxygen Sensor - 12583804

    OEM (Genuine) 2009 GMC Sierra 1500 Front Oxygen Sensor

    PartNumber: 12583804
    $60.47 MSRP: $114.12
    You Save: $53.65 (48%)
    Product Specifications
    • Notes: 4.8, 5.3, 6.0 & 6.2l; Silverado, Sierra Hybrid; Front;Silverado, Sierra; 4.8l; Front;Silverado, Sierra; 5.3l; Front;Silverado, Sierra; 6.0l; Front;Silverado, Sierra; 6.2l; Front
    • Location: Driver Side; Passenger Side
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Dimensions: 8.4 x 3.3 x 3.4 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2009 GMC Sierra 1500 Front Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
  • Denso Oxygen Sensor for 2009 GMC Sierra 1500 - 234-4337
    Product Specifications
    • Notes: DENSO is the OE Manufacturer / Oxygen Sensor
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511113169
    • Wire Harness Length: 16.14" (410 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 GMC Sierra 1500 Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | All Engines
  • Delphi Oxygen Sensor for 2009 GMC Sierra 1500 - ES20352
    Product Specifications
    • Connector Shape: Square
    • Position: Front
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604201510
    • Wire Harness Length: 17.2" (430 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2009 GMC Sierra 1500 Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | WT | 6 Cyl 4.3L
  • OEM 2009 GMC Sierra 1500 Rear Oxygen Sensor - 12609457

    OEM (Genuine) 2009 GMC Sierra 1500 Rear Oxygen Sensor

    PartNumber: 12609457
    $59.04 MSRP: $111.40
    You Save: $52.36 (48%)
    Product Specifications
    • Notes: 4.8, 5.3, 6.0 & 6.2l; Silverado, Sierra Hybrid; Rear;Silverado, Sierra; 4.8l; Rear;Silverado, Sierra; 5.3l; Rear;Silverado, Sierra; 6.0l; Rear;Silverado, Sierra; 6.2l; Rear
    • Location: Driver Side; Passenger Side
    • Other Names: Oxygen Sensor, Rear Oxygen Sensor
    • Item Dimensions: 8.4 x 3.2 x 3.2 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2009 GMC Sierra 1500 Rear Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
  • NTK OE Type Oxygen Sensor for 2009 GMC Sierra 1500 - 21066
    Product Specifications
    • Notes: B2S2; OE MFR: NTK;B1S2; OE MFR: NTK
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295210666
    • Wire Quantity: 4
    • Wiring Harness Length: 15.0000
    • Part Description: 2009 GMC Sierra 1500 OE Type Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    Show More
  • Walker Products Premium Oxygen Sensor for 2009 GMC Sierra 1500 - 250-24704
    Product Specifications
    • Connector Gender: Female
    • Overall Length: 17.64"(448.056 mm)
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620014246
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 14.09"(357.886 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 GMC Sierra 1500 Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | 6 Cyl 4.3L
  • Denso Oxygen Sensor for 2009 GMC Sierra 1500 - 234-4256
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511117105
    • Wire Harness Length: 14.8" (375.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 GMC Sierra 1500 Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    Show More
  • Delphi Oxygen Sensor for 2009 GMC Sierra 1500 - ES20094
    Product Specifications
    • Notes: 32in Length
    • Connector Shape: Square
    • Position: Rear
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604144756
    • Wire Harness Length: 16.4" (410 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2009 GMC Sierra 1500 Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | SLE | 8 Cyl 6.0L
    • 2009 GMC Sierra 1500 | SLT | 8 Cyl 6.0L
    • 2009 GMC Sierra 1500 | SLE | 8 Cyl 4.8L
    • 2009 GMC Sierra 1500 | WT | 8 Cyl 4.8L
    • 2009 GMC Sierra 1500 | SLE | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | SLT | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | WT | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | Denali | 8 Cyl 6.2L
    • 2009 GMC Sierra 1500 | SL | 8 Cyl 4.8L
    • 2009 GMC Sierra 1500 | Hybrid | 8 Cyl 6.0L
    Show More
  • OEM 2009 GMC Sierra 1500 Front Oxygen Sensor - 12589321

    OEM (Genuine) 2009 GMC Sierra 1500 Front Oxygen Sensor

    PartNumber: 12589321
    $76.42 MSRP: $144.20
    You Save: $67.78 (48%)
    Product Specifications
    • Notes: 4.3 Liter; Silverado, Sierra; 4.3l; Front
    • Location: Driver Side; Passenger Side
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Dimensions: 8.5 x 3.2 x 3.3 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2009 GMC Sierra 1500 Front Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
  • NTK OE Type Oxygen Sensor for 2009 GMC Sierra 1500 - 21546
    Product Specifications
    • Notes: B1S1; OE Equivalent Design;B2S1; OE Equivalent Design
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295215463
    • Wire Quantity: 4
    • Wiring Harness Length: 16.5000
    • Part Description: 2009 GMC Sierra 1500 OE Type Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    Show More
  • Walker Products Premium Oxygen Sensor for 2009 GMC Sierra 1500 - 250-24703
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 18.03"(457.962 mm)
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620014239
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 14.49"(368.046 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 GMC Sierra 1500 Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | 6 Cyl 4.3L
  • Denso Universal Fit Oxygen Sensor for 2009 GMC Sierra 1500 - 234-4212
    Product Specifications
    • Notes: OE Quality Universal Replacement Sensor
    • Installation Type: Screw
    • O2 Sensor Configuration: Universal
    • OE Part Number: 5C5Z9F472AA, 88Z9F472AB
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511142121
    • Wire Harness Length: 11.77" (299 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 GMC Sierra 1500 Universal Fit Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    Show More
  • Delphi Oxygen Sensor for 2009 GMC Sierra 1500 - ES20013
    Product Specifications
    • Notes: 51in Length
    • Connector Shape: Square
    • Position: Front
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604145562
    • Wire Harness Length: 16.8" (420 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2009 GMC Sierra 1500 Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | SLE | 8 Cyl 6.0L
    • 2009 GMC Sierra 1500 | SLT | 8 Cyl 6.0L
    • 2009 GMC Sierra 1500 | SLE | 8 Cyl 4.8L
    • 2009 GMC Sierra 1500 | WT | 8 Cyl 4.8L
    • 2009 GMC Sierra 1500 | SLE | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | SLT | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | WT | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | Denali | 8 Cyl 6.2L
    • 2009 GMC Sierra 1500 | SL | 8 Cyl 4.8L
    • 2009 GMC Sierra 1500 | Hybrid | 8 Cyl 6.0L
    Show More
  • OEM 2009 GMC Sierra 1500 Rear Oxygen Sensor - 12609456

    OEM (Genuine) 2009 GMC Sierra 1500 Rear Oxygen Sensor

    PartNumber: 12609456
    $53.57 MSRP: $101.10
    You Save: $47.53 (48%)
    Product Specifications
    • Notes: 4.3 Liter; Silverado, Sierra; 4.3l; Rear
    • Location: Driver Side; Passenger Side
    • Other Names: Oxygen Sensor, Rear Oxygen Sensor
    • Item Dimensions: 8.4 x 3.3 x 3.3 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2009 GMC Sierra 1500 Rear Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | WT | 6 Cyl 4.3 L GAS
  • Walker Products Premium Oxygen Sensor for 2009 GMC Sierra 1500 - 250-24470
    Product Specifications
    • Notes: B1S1;B2S1
    • Connector Gender: Female
    • Location: B2S1 Sensor
    • Overall Length: 17.64"(448.056 mm)
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620043529
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 14.09"(357.886 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 GMC Sierra 1500 Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    Show More
  • Denso Oxygen Sensor for 2009 GMC Sierra 1500 - 234-4258
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511117129
    • Wire Harness Length: 14.8" (375.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 GMC Sierra 1500 Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | All Engines
  • Walker Products Oxygen Sensor for 2009 GMC Sierra 1500 - 350-34483
    Product Specifications
    • Notes: Upstream; Right;Upstream; Left
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 18.03"
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620092978
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 14.49"
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 GMC Sierra 1500 Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | 6 Cyl 4.3L
  • Denso Oxygen Sensor for 2009 GMC Sierra 1500 - 234-4668
    Product Specifications
    • Notes: DENSO is the OE Manufacturer / Oxygen Sensor
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511112568
    • Wire Harness Length: 15.75" (400.1 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 GMC Sierra 1500 Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    Show More
  • Walker Products Premium Oxygen Sensor for 2009 GMC Sierra 1500 - 250-24736
    Product Specifications
    • Notes: B2S2;B1S2
    • Connector Gender: Male
    • Location: B2S2 Sensor
    • Overall Length: 16.85"(427.99 mm)
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620015199
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 13.31"(338.074 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 GMC Sierra 1500 Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    Show More
  • Walker Products Oxygen Sensor for 2009 GMC Sierra 1500 - 350-34484
    Product Specifications
    • Notes: Downstream; Right;Downstream; Left
    • Connector Gender: Female
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 17.64"
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620092985
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 14.09"
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 GMC Sierra 1500 Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | 6 Cyl 4.3L
  • Walker Products Oxygen Sensor for 2009 GMC Sierra 1500 - 350-34494
    Product Specifications
    • Notes: Downstream; Right; B2S2;Downstream; Left; B1S2
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Location: B1S2
    • Overall Length: 16.85"
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620093081
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 13.31"
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 GMC Sierra 1500 Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    Show More
  • Walker Products Oxygen Sensor for 2009 GMC Sierra 1500 - 350-34581
    Product Specifications
    • Notes: Upstream; Left; B1S1;Upstream; Right; B2S1
    • Connector Gender: Female
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Location: B1S1
    • Overall Length: 17.64"
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620093937
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 14.09"
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 GMC Sierra 1500 Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    Show More
  • NTK OE Type Oxygen Sensor for 2009 GMC Sierra 1500 - 21065
    Product Specifications
    • Notes: B2S2; OE MFR: NTK;B1S2; OE MFR: NTK
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295210659
    • Wire Quantity: 4
    • Wiring Harness Length: 15.0000
    • Part Description: 2009 GMC Sierra 1500 OE Type Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | 6 Cyl 4.3L
  • Spectra Premium Oxygen Sensor for 2009 GMC Sierra 1500 - OS5453
    Product Specifications
    • Notes: Bank 1 Sensor 2;Bank 2 Sensor 2
    • Connector Gender: Female
    • Connector Shape: Square
    • Installation Type: Screw
    • Overall Length: 16 1/8"
    • Position: Downstream
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607159639
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2009 GMC Sierra 1500 Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2009 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    Show More

FAQ for Oxygen Sensor Repair

Q: What is the removal procedure for the heated oxygen sensor-Bank 2 Sensor 1 (1500 Series)?
A:
The procedure is to remove the right wheelhouse liner, remove the connector position assurance (CPA) retainer, disconnect the HO2S electrical connector, remove the HO2S clip and remove the HO2S.
By Bob
GM Specialist
02/11/2022
Q: What is the removal procedure for the heated oxygen sensor-Bank 1 Sensor 2 (1500 Series)?
A:
The procedure is to remove the connector position assurance (CPA) retainer, disconnect the HO2S electrical connector from the engine wiring harness electrical connector and remove the HO2S.
By Bob
GM Specialist
02/11/2022
Q: What is the recommended torque when installing the HO2S?
A:
You can tighten the sensor to 42 Nm (31 lb-ft).
By Bob
GM Specialist
02/11/2022
Q: What may cause contamination of the oxygen sensor?
A:
Contamination of the oxygen sensor can result from the use of an inappropriate RTV sealant (not oxygen sensor safe) or excessive engine coolant or oil consumption.
By Bob
GM Specialist
02/11/2022
Q: What should you perform when replacing the HO2S?
A:
You should perform a code clear with a scan tool regardless of whether or not a DTC is set and perform HO2S heater resistance learn reset with a scan tool.
By Bob
GM Specialist
02/11/2022
Q: What is the first step for replacing the heated oxygen sensor-Bank 1 Sensor 1 (1500 Series)?
A:
The first step is to raise and support the vehicle.
By Bob
GM Specialist
02/11/2022
Q: When may the oxygen sensor be difficult to remove?
A:
The oxygen sensor may be difficult to remove when the engine temperature is below 48°C (120°F).
By Bob
GM Specialist
02/11/2022
Q: What is the removal procedure for the heated oxygen sensor-Bank 2 Sensor 2 (1500 Series)?
A:
The procedure is to remove the connector position assurance (CPA) retainer, disconnect the engine wiring harness electrical connector, remove the HO2S electrical connector clip and remove the HO2S.
By Bob
GM Specialist
02/11/2022
Q: What should you ensure when servicing the heated oxygen sensor?
A:
You should ensure that the peripheral seal remains intact on the vehicle harness connector to prevent damage due to water intrusion.
By Bob
GM Specialist
02/11/2022
See more FAQs (4)