How to Service and Repair Oxygen Sensors on 2006 Ford Focus?

The first step for repairing or servicing he Heated Oxygen Sensor (HO2S) consists of placing the vehicle on a hoist platform with the transmission set to NEUTRAL. Disconnect the battery ground cable. The service on HO2S requires disconnecting power connectors from equipment with secondary air injection while detaching wiring retainers and removing the EVAP purging valve heat shield. Reinstall the heat shield through snapping after completing the installation. You should unfasten the exhaust manifold heat shield by removing its four bolts before placing it away so you can reinstall with a torque of 11 Nm (8 lb-ft). Use penetrating and lock lubricant on the HO2S before using a 22 mm crows foot wrench to remove it while tightening to 48 Nm (35 lb-ft) when installing the sensor. Unsnap the electrical connector heat shield from vehicles without secondary air injection before disconnecting the electrical connector and detaching the wiring retainer. For smooth removal of the HO2S apply lubrication if needed before using the 22 mm crows foot wrench in a manner where you tighten it to 48 Nm (35 lb-ft) upon completion. After positioning the sensor wiring correctly around hot surfaces and away from edges, make sure that all retainers secure it and that the electrical connector locking tab is firmly engaged. Users should coat the threaded sections of professionals sensors with anti-seize lubricant before sensor installation. The reverse process should then be used to finish the installation.

OEM 2006 Ford Focus Oxygen Sensors

Oxygen O2 Sensor

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5 Oxygen Sensors found

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2006 Ford Focus Oxygen Sensor, Rear Driver Side
Part Number: GU2Z-9G444-A
$56.02 MSRP: $92.18
You Save: $36.16 (40%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Oxygen Sensor, Front, Front Left, Front Right, Rear, Rear Left, Rear Right; Rear Oxygen Sensor; Front Oxygen Sensor; Upper Oxygen Sensor; Lower Oxygen Sensor; Sensor
- Position: Rear Driver Side
- Replaces: 1R3Z-9G444-BA, 1R3Z-9G444-AA, 5F9Z-9G444-BA, 5W6Z-9G444-BA, 5C5Z-9F472-AA, DY-1091, DY-1005, DY-1063, DY-1089, DY-649, DY-1086, DY-1104, F1TZ-9F472-A, F4DZ-9F472-A, F6DZ-9G444-AA, F88Z-9F472-AA, F78Z-9F472-BA, F75Z-9G444-BA, DY-1081, DY-1060, DY-800, DY-831, DY-832, F3UZ-9F472-A, F4DZ-9F472-B, F4ZZ-9F472-C, F4UZ-9F472-A, F78Z-9F472-AA, F7RZ-9G444-BA, DY-1040, XC2Z-9F472-BA, F1SZ-9F472-A, XR3Z-9G444-BB, F5WZ-9F472-BA, 5C5Z-9F472-BA, 6E5Z-9G444-AA, 5W6Z-9G444-AA, DY-1034, DY-1093, DY-1058, F1SZ-9F472-B, 6L7Z-9F472-BA, DY-761, F5AZ-9G444-B, F4SZ-9F472-A, F77Z-9F472-BA, F6DZ-9G444-B, DY-1039, F85Z-9G444-E, F5UZ-9F472-A, F75Z-9G444-AA, F88Z-9F472-AB, F4SZ-9F472-D, F8RZ-9G444-BB, F85Z-9G444-AA, F85Z-9G444-AB, F88Z-9F472-BA, DY-1053, XR3Z-9G444-JA, XC2Z-9F472-AA, DY-1038, DY-703, F6DZ-9G444-EA, F5MZ-9F472-AA, DY-1087, FOTZ-9F472-A, DY-1057, XR3Z-9G444-EA, XR3Z-9G444-HA, DY-661, DY-731
- Item Weight: 0.40 Pounds
- Item Dimensions: 0.2 x 7.7 x 9.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: GU2Z-9G444-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2006 Ford Focus Submodels:
- LX, S, SE, SES, Sony Limited Edition, SVT, ZTS, ZTW, ZX3, ZX4, ZX5, ZXW | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
View related parts
2006 Ford Focus Oxygen Sensor, Front
Part Number: 5S4Z-9F472-AA
$73.26 MSRP: $120.55
You Save: $47.29 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Hego; Oxygen Sensor, Front; Front Oxygen Sensor
- Position: Front
- Replaces: 3S4Z-9F472-CA, DY-990, 3S4Z-9F472-CC, DY-1031
- Base No.: 9F472
- Item Weight: 0.60 Pounds
- Item Dimensions: 8.7 x 7.9 x 7.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5S4Z-9F472-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2006 Ford Focus Submodels:
- LX, S, SE, SES, ST, ZTS, ZTW, ZX3, ZX4, ZX4 ST, ZX5, ZXW | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
View related parts
2006 Ford Focus Oxygen Sensor, Center Passenger Side
Part Number: 5S4Z-9G444-BA
$62.54 MSRP: $102.91
You Save: $40.37 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Oxygen Sensor, Center, Rear; Rear Oxygen Sensor
- Position: Center Passenger Side
- Replaces: 3S4Z-9G444-AA, 5S4Z-9G444-DA
- Base No.: 9G444A
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.6 x 7.7 x 7.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5S4Z-9G444-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2006 Ford Focus Submodels:
- LX, S, SE, SEL, SES, ST, ZTS, ZTW, ZX3, ZX4 ST, ZX5 | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
View related parts
2006 Ford Focus Oxygen Sensor
Part Number: XS2Z-9G444-AA
Product Specifications
- Other Name: Sensor Assembly; Rear Oxygen Sensor
- Base No.: 9G444
- Item Weight: 0.40 Pounds
- Item Dimensions: 8.7 x 7.7 x 7.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: XS2Z-9G444-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2006 Ford Focus Submodels:
- LX, S, SE, SES, Sony Limited Edition, SVT, ZTS, ZTW, ZX3, ZX4, ZX5, ZXW | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
View related parts
2006 Ford Focus Rear Oxygen Sensor, Driver Side
Part Number: 5S4Z-9G444-CA
Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Oxygen Sensor, Rear; Oxygen Sensor
- Position: Rear Driver Side
- Replaces: 5S4Z-9G444-AA
- Base No.: 9G444B
- Item Weight: 0.60 Pounds
- Item Dimensions: 8.3 x 7.6 x 7.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5S4Z-9G444-CA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2006 Ford Focus Submodels:
- ST, ZX4 ST | 4 Cyl 2.3 L GAS

2006 Ford Focus Oxygen Sensors

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2006 Ford Focus Oxygen Sensors available at FordPartsDeal.com. You can confidently purchase our OEM 2006 Ford Focus Oxygen Sensors as they are supported by the manufacturer's warranty and our hassle-free return policy, alongside the benefit of our fast delivery service.

2006 Ford Focus Oxygen Sensors Parts Questions & Experts Answers

Q: How to Service and Repair Oxygen Sensors on 2006 Ford Focus?
A: The first step for repairing or servicing he Heated Oxygen Sensor (HO2S) consists of placing the vehicle on a hoist platform with the transmission set to NEUTRAL. Disconnect the battery ground cable. The service on HO2S requires disconnecting power connectors from equipment with secondary air injection while detaching wiring retainers and removing the EVAP purging valve heat shield. Reinstall the heat shield through snapping after completing the installation. You should unfasten the exhaust manifold heat shield by removing its four bolts before placing it away so you can reinstall with a torque of 11 Nm (8 lb-ft). Use penetrating and lock lubricant on the HO2S before using a 22 mm crows foot wrench to remove it while tightening to 48 Nm (35 lb-ft) when installing the sensor. Unsnap the electrical connector heat shield from vehicles without secondary air injection before disconnecting the electrical connector and detaching the wiring retainer. For smooth removal of the HO2S apply lubrication if needed before using the 22 mm crows foot wrench in a manner where you tighten it to 48 Nm (35 lb-ft) upon completion. After positioning the sensor wiring correctly around hot surfaces and away from edges, make sure that all retainers secure it and that the electrical connector locking tab is firmly engaged. Users should coat the threaded sections of professionals sensors with anti-seize lubricant before sensor installation. The reverse process should then be used to finish the installation.